GOST 23178-78
GOST 23178−78 Fluxes soldering high temperature perborate — and boride-galogennye. Specifications (with Amendments No. 1, 2, 3)
GOST 23178−78
Group В05
STATE STANDARD OF THE USSR
HIGH TEMPERATURE SOLDERING FLUXES
PERBORATE — AND BORIDE-GALOGENNYE
Specifications
High-temperature fluoroborate and boride halogenide fluxes for soldering. Specifications
Date of introduction 1980.01.01
INFORMATION DATA
1. APPROVED AND put INTO EFFECT by Decision of the USSR State Committee for standards from
2. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
The number of the paragraph, subparagraph |
| GOST 12.0.005−84 |
2A.1, 2A.2 |
| GOST 12.1.007−76 |
2A.1 |
| GOST 12.4.021−75 |
2A.3 |
| GOST 12.4.010−75 |
2A.4 |
| GOST 12.4.045−87 |
2A.4 |
| GOST 12.4.050−78 |
2A.4 |
| GOST 12.4.131−83 |
2A.4 |
| GOST 12.4.164−85 |
2A.4 |
| GOST 22−78 |
4.3.1 |
| GOST 199−78 |
4.5.1 |
| GOST 334−73 |
4.6.1 |
| GOST 804−72 |
2.1 |
| GOST 859−78 |
2.1 |
| GOST 892−89 |
4.6.1 |
| GOST 1770−74 |
4.3.1, 4.4.1, 4.5.1, 4.6.1, 4.7.1, 4.8.1, 4.9.1 |
| GOST 2084−77 |
4.11.1 |
| GOST 2603−79 |
4.8.1 |
| GOST 2768−84 |
4.11.1 |
| GOST 3118−77 |
4.3.1, 4.4.1, 4.7.1, 4.8.1, 4.9.1 |
| GOST 3760−79 |
4.7.1, 4.8.1 |
| GOST 3773−72 |
4.8.1 |
| GOST 3885−73 |
3.1, 4.2.1, 5.1 |
| GOST 4174−77 |
4.7.1 |
| GOST 4204−77 |
4.3.1, 4.9.1 |
| GOST 4212−76 |
4.4.1, 4.6.1, 4.8.1 |
| GOST 4233−77 |
4.6.1 |
| GOST 4328−77 |
4.3.1, 4.7.1, 4.8.1, 4.9.1 |
| GOST 4332−76 |
4.4.1 |
| GOST 4461−77 |
4.7.1 |
| GOST 4517−87 |
4.3.1 |
| GOST 5457−75 |
4.6.1 |
| GOST 5632−72 |
4.11.1 |
| GOST 5845−79 |
4.8.1 |
| GOST 6259−75 |
4.3.1 |
| GOST 6563−75 |
4.4.1 |
| GOST 6709−72 |
4.4.1, 4.5.1, 4.6.1, 4.7.1, 4.8.1, 4.9.1 |
| GOST 7826−82 |
4.6.1 |
| GOST 8321−74 |
4.3.1 |
| GOST 8429−77 |
2.1 |
| GOST 8864−71 |
4.8.1 |
| GOST 9078−84 |
5.2 |
| GOST 9147−80 |
4.5.1, 4.6.1 |
| GOST 9557−87 |
5.2 |
| GOST 10054−82 |
4.11.1 |
| GOST 10398−76 |
4.7.1 |
| GOST 10554−74 |
4.9.1 |
| GOST 10652−73 |
4.7.1 |
| GOST 10929−76 |
4.9.1 |
| GOST 11070−74 |
2.1 |
| GOST 14192−77 |
5.1 |
| GOST 14261−77 |
4.6.1 |
| GOST 14262−78 |
4.6.1 |
| GOST 15527−70 |
4.11.1 |
| GOST 17065−77 |
5.1 |
| GOST 17433−80 |
4.6.1 |
| GOST 18300−87 |
4.3.1 |
| GOST 18573−86 |
5.1 |
| GOST 18704−78 |
2.1 |
| GOST 19433−88 |
5.1 |
| GOST 19746−74 |
4.11.1 |
| GOST 19738−74 |
4.11.1 |
| GOST 20292−74 |
4.3.1, 4.4.1, 4.6.1, 4.7.1, 4.8.1, 4.9.1, 5.1 |
| GOST 20848−75 |
2.1 |
| GOST 21650−76 |
5.2 |
| GOST 21929−76 |
5.2 |
| GOST 23904−79 |
4.11 |
| GOST 24104−88 |
4.3.1, 4.5.1, 4.6.1 |
| GOST 24363−80 |
2.1 |
| GOST 24597−81 |
5.2 |
| GOST 25336−82 |
4.3.1, 4.4.1, 4.5.1, 4.6.1, 4.7.1, 4.8.1, 4.9.1, 4.13.1 |
| GOST 26381−84 |
5.2 |
| GOST 26663−85 |
5.2 |
3. The expiration time limit is removed by the Resolution of Gosstandart of the USSR from
4. REPRINT (August 1989) with Amendments No. 1, 2, 3, approved in January 1983, September 1984, June 1989 (IUS 5−83, 12−84, 9−89)
This standard applies to high-temperature soldering perborate — and boride-halogenide flux designed for the soldering of steels and stainless steels, copper, superalloys, and copper alloys.
(Changed edition, Rev. N 2, 3).
1. BRAND
1.1. Fluxes are manufactured in the following grades: ПВ200, ПВ201, ПВ209, ПВ209Х and ПВ284Х. The designation of fluxes is given in mandatory Appendix 1. The compliance of the designations old and new brands fluxes are given in mandatory Appendix 2.
Brands fluxes ПВ200, ПВ201 and ПВ209 produced by mechanically mixing the components, fluxes and brands ПВ209Х ПВ284Х by chemical interaction of components.
OKP codes are given in mandatory Appendix 3.
Note. The designation marks the letters mean: P — soldering, high temperature, then the coordinates of the mark of flux, X — obtained by the chemical interaction.
(Changed edition, Rev. N 1).
2. TECHNICAL REQUIREMENTS
2.1. Soldering fluxes shall be manufactured in accordance with the requirements of this standard for technological regulations approved in the prescribed manner.
(Added, Rev. N 2).
2.1. Component composition of each brand of flux must match the specified in table.1.
Table 1
| Mark flux | Mass fraction of substances, % | ||||||||
Borax (Na |
Potassium fluoride (KF) |
Boric acid (H |
Boron oxide (In |
Calcium fluoride (CaF |
Potassium Tetra — fluoro- |
Potassium hydroxide (KOH) |
Acid ftores — towodo — native (HF) |
The Master Alloys (Al-Cu-Mg) | |
| ПВ200 |
From 18 to 20 |
- |
- |
65 up to 67 |
14 up to 16 |
- |
- |
- |
- |
| ПВ201 |
11 to 13 |
- |
- |
76 to 78 |
9.5 to 10.5 |
- |
- |
- |
0.9 to 1.1 |
| ПВ209 |
- |
41 to 43 |
- |
34 36 |
- |
22 to 24 |
- |
- |
- |
| ПВ209Х |
- |
- |
From of 34.8 to 36.8 |
- |
- |
- |
From 27.9 to 29.9 |
From the 34.3 to 36.3 |
- |
| ПВ284Х |
- |
- |
29 until 31 |
- |
- |
- |
25 to 27 |
43 45 |
- |
| Note. The drill according to GOST 8429−77, pre-dehydrated. Potassium fluoride churchyard 20848−75, pre-dehydrated. Boron oxide is obtained by calcination at 550 °With boric acid grade B according to GOST 18704−78 to oxide of boron or boric anhydride granulated technical. Calcium fluoride brand h Potassium tetrafluoroborate receive chemical interaction of potassium hydroxide brand h GOST 24363−80 or imported, according to quality characteristics is not below the established GOST 24363−80, boric acid, grade B, GOST 18704−78 or hydrofluoric acid technical grade A. Potassium hydroxide B. H. marks. and h according to GOST 24363−80 or imported, according to quality characteristics is not below the established GOST 24363−80. Boric acid grade B according to GOST 18704−78. Hydrofluoric acid 30% technical grade A. the Composition of alloys Al-Cu-Mg: aluminium brand A0−48% according to GOST 11070−74, copper marks M1−48% according to GOST 859−78* brand magnesium Mg95−4% according to GOST 804−72**. | |||||||||
______________
* On the territory of the Russian Federation GOST 859−2001;
** In the territory of the Russian Federation GOST deistvuet 804−93. — Note the manufacturer’s database.
(Changed edition, Rev. N 1, 3)
2.2. The chemical composition of the flux must comply with the specified in table.2.
Table 2
| Mark flux | Mass fraction of element, % | ||||||||
| Bor |
Fluoride |
Potassium |
Sodium |
Calcium |
Oxygen |
Magnesium |
Copper |
Aluminium | |
| ПВ200 |
From to 23.9 25.3 |
From 6.8 to 7.8 |
- |
From 3.9 to 4.7 |
7.2−8.2 |
From to 54,0 58,2 | - |
- |
- |
| ПВ201 |
From about 25.8 to 27.2 |
4.5 to 5.1 |
- |
From 2.3 to 3.1 |
From 4.8 to 5.4 |
From 58.1 to 61.7 |
From 0.03 to 0.05 |
From 0.43 to 0.53 |
From 0.43 to 0.53 |
| ПВ209 |
From 12.3 to 13.3 |
From 26.7 to 28.5 |
From 33.5 to 36.4 |
- |
- |
From 21.8 to 27.5 |
- |
- |
- |
| ПВ209Х |
From 12.3 to 13.3 |
From 26.7 to 28.5 |
From 33.5 to 36.4 |
- |
- |
From 21.8 to 27.5 |
- |
- |
- |
| ПВ284Х |
From 10.7 to 11.7 |
From 34.6 to 36.6 per |
From 34,0 to 37.0 |
- |
- |
From a 14.7 to 20.7 |
- |
- |
- |
| Note. On demand of the consumer in the flux ПВ284Х mass fraction of fluoride must be not less than 32,0%. | |||||||||
(Changed edition, Rev. N 3).
2.3. The area of spreading of the solder with the test flux on a stainless steel 12KH18N9T must be at least:
fluxes for brands ПВ200, ПВ201, ПВ209 and ПВ209Х — 3.5 cm;
for flux brand ПВ284Х — 2 cm.
2.4. Fluxes of each brand are made in the form of homogeneous granular crystalline powder white or grayish color without inclusions of grains, lumps and foreign particles.
2.5. Fluxes are hygroscopic. Mass fraction of moisture in the flux must not be more than 0.5%.
(Changed edition, Rev. N 2).
2A. SAFETY REQUIREMENTS
2A.1. Maximum permissible concentration (MPC) of the flux components according to GOST 12.1.005−84, list of MPC of harmful substances in the air of working zones, the hazard class according to GOST 12.1.007−76приведены in table.2A.
Flux components are fire and explosion proof.
Table 2A
| Component of flux |
MPC, mg/m |
Hazard class |
| Borax |
10 |
3 |
| Potassium fluoride |
0,2 |
2 |
| Potassium tetrafluoroborate |
0,5 |
2 |
| Boric acid |
10 |
3 |
| Potassium hydroxide |
0,5 |
2 |
| Hydrogen fluoride hydrofluoric acid |
0,1 |
1 |
| Boron oxide |
5 |
3 |
| Calcium fluoride |
0,5 |
2 |
2A.2. Control of content of harmful substances in the air of working zone is carried out according to GOST 12.1.005−84.
2A.Z. Production facilities in which work with fluxes must be equipped with General dilution ventilation system according to GOST 12.4.021−75.
Jobs when using fluxes should be equipped with local exhaust ventilation.
2A.4. Working with flux, you need to perform, following personal protective equipment: protective clothing — according to GOST 12.4.045−87 or GOST 12.4.131−83; footwear — according to GOST 12.4.164−85 or GOST 12.4.050−78; hand protection — GOST 12.4.010−75.
Sec. 2A (Introduced later, Rev. N 3).
3. ACCEPTANCE RULES
3.1. Rules of acceptance GOST 3885−73. The weight of the batch shall not exceed 500 kg.
Party flux must be accompanied by a document about quality that contains:
trademark or the name and trademark of manufacturer;
the results of the tests;
batch number;
the net mass, kg;
the number of seats;
the date of manufacture;
the designation of this standard.
(Changed edition, Rev. N 2, 3)
4. TEST METHODS
4.1. (Deleted, Rev. N 2).
4.2. General requirements for methods of analytical control
4.2.1. Sampling is carried out according to GOST 3885−73. The average weight of the sample should be not less than 0.5 kg.
4.2.2. Chemical composition of fluxes determined in parallel in two batches.
4.2.3. (Deleted, Rev. N 2).
4.3. Determination of boron content
4 3.1. Equipment, reagents, solutions
Glycerin according to GOST 6259−75 diluted 1:1, neutralized to phenolphthalein with sodium hydroxide solution of concentration 0.1 mol/DM.
Calcium chloride 6-water, H. h., 25% solution.
Sulfuric acid GOST 4204−77, a 15% solution.
Hydrochloric acid by the GOST 3118−77, H. h, solution concentrations of 1 mol/DM.
Distilled water containing no carbon dioxide, prepared according to GOST 4517−87.
D (-). Mannitol according to GOST 8321−74.
Methyl orange парадиметиламиноазобензолсульфокислый sodium, 0,1% solution.
Sodium hydroxide according to GOST 4328−77, solutions of concentration 1 mol/l, 0.1 mol/DM
and 12% solution.
Refined sugar according to GOST 22−78.
The sugar is inverted, the solution is prepared as follows: 3 kg of sugar dissolved in 1 DMof water, gently heating the mixture until boiling; to the obtained solution poured 25 cm
of sulfuric acid solution, carefully stirred for 1 min and add 1.5 DM
water containing 25 cm
12% sodium hydroxide solution. The cooled solution should be colorless and neutral to phenolphthalein.
The technical rectified ethyl alcohol GOST 18300−87, the highest grade.
Phenolphthalein, 1% alcoholic solution.
Laboratory scales for General purpose according to GOST 24104−88*.
________________
* On the territory of the Russian Federation GOST 24104−2001. Here and hereinafter. — Note the manufacturer’s database.
Burette 5−2-50 according to GOST 20292−74*.
________________
* On the territory of the Russian Federation there are 29169−91 GOST, GOST 29227−91−29229−91 GOST, GOST 29251−91-GOST 29253−91. Here and hereinafter. — Note the manufacturer’s database.
Burette 3−2-50 according to GOST 20292−74.
Dropper SN-150ХС according to GOST 25336−82.
The bulb KN-2−250−34 TCS GOST 25336−82.
Beaker 100 according to GOST 1770−74.
Cup SV-14/8 according to GOST 25336−82.
(Changed edition, Rev. N 3).
4.3.2. Analysis
About 1 g of the drug is weighed with accuracy up to 0.0002 g, placed in a conical flask with a capacity of 250 cm. Brands fluxes ПВ200 and ПВ201 dissolved with stirring in 70 cm
of hot water to the portions of the flux of the other brands add 50 cm
of a solution of calcium chloride. Connect the flask with a reflux condenser and moderately boil the contents for 20 min, cooled, washed the fridge with water, adding the washings to the sample solution.
To the solution and the precipitate was added one drop of methyl orange and carefully, drop by drop, neutralizing the solution obtained by dissolving fluxes ПВ200 brands and ПВ201 1 mol/DMhydrochloric acid solution. Solutions obtained by dissolving the flux of the other brands, neutralized with 1 mol/DM
solution of sodium hydroxide.
To the neutral solution add 40 cmof sugar solution, or 10.00 g of mannitol, or 75 cm
of the glycerin solution, mixed and after 10−15 minutes add 5−6 drops of phenolphthalein, and then titrated with 1 mol/DM
solution of sodium hydroxide until the appearance of pink color, then add another 20 cm
of a solution of sugar or of 2.00 g of mannitol, or 25 cm
of a solution of glycerol and in the case of a bleaching solution again titrated to the appearance of pink color. This operation is repeated until then, until the color of the solution will not cease to disappear when adding new portions of sugar, mannitol or glizer
in.
4.3.3. Processing of the results
Mass fraction of boron () in percent is calculated by the formula
where is the exact volume of sodium hydroxide solution of concentration 1 mol/DM
consumed for titration, cm
;
— analyzed mass flux, g;
0,010811 the amount of boron corresponding to 1 cm1 mol/DM
of sodium hydroxide solution,
The analysis result should be the arithmetic mean of two parallel definitions, allowable differences between them and between the results of the two tests 
.
4.3.1−4.3.3. (Changed edition, Rev. N 3).
4.4. Determination of fluorine in flux and brands ПВ200 ПВ201.
4.4.1. Apparatus, reagents and solutions
Type photoelectrocolorimeter FEK-57 or similar device.
Arsenazo-1, h. e. a., 0.01% of aqueous solution, usable in a day after preparation. Shelf life of solution is 10 days.
Distilled water GOST 6709−72.
Potassium carbonate — sodium carbonate according to GOST 4332−76, h.d. a.
Hydrochloric acid by the GOST 3118−77, H. h
A solution containing fluorine, are prepared and diluted according to GOST 4212−76.
Zirconyl nitrate, h.d. a.
The solution is prepared as follows: 0,334 g zirconyl nitrate is placed in a beaker with capacity of 500 cm, add cm 150
37% hydrochloric acid solution and water.
Acid and water are added in portions of 30 cm, alternately, heated to complete dissolution within 20 min, cooled, transferred into a measuring flask with volume capacity of 1000 cm
, the volume was adjusted solution to the mark with water and mix.
A funnel-36−80 XC GOST 25336−82.
Bulb 1−100−2,1−250−2 according to GOST 1770−74.
Pipette 5−2-1, 5−2-2, 7−2-5, 7−2-10 according to GOST 20292−74.
Muffle furnace with thermostatic control, providing temperature up to 1000 °C.
Glass N-1−250 TCS according to GOST 25336−82.
100−7 platinum crucible according to GOST 6563−75.
Cover 101−7 platinum according to GOST 6563−75.
Filter obezdolennyh «blue ribbon».
3−50 cylinder according to GOST 1770−74.
(Changed edition, Rev # 1, 3).
4.4.2. Construction of calibration curve
In a volumetric flask with a capacity of 100 cmplaced solutions containing 0,02; 0,04; 0,06 and 0.08 mg of fluoride, 20 cm
of water is added at 0.2 cm
of a hydrochloric acid solution, 2 cm
of a solution of nitrate Zirconia, mix, add 10 cm
of a solution of arsenazo-1, bring the volume of the solution to the mark with water and mixed again.
Simultaneously, a solution of the reference experiment containing the same volume of 0.86 cmof a hydrochloric acid solution and 10 cm
of the solution, arsenazo-1.
After 20 min the solutions photometered relative to the solution in the reference experiment in cuvettes with the thickness of the light absorbing layer 50 mm at a wavelength of ~ 597 nm. According to the obtained results build a calibration curve, plotting on the abscissa the amount of fluoride in milligrams, and on the ordinate the corresponding values of light transmission
.
4.4.3. Analysis
0.05 g of flux is weighed with an error not exceeding 0.0002 g, placed in a platinum crucible, add 1 g of potassium carbonate, sodium carbonate anhydrous, weighted with the error not more than 0.01 g and fused in a muffle at 850−900 °C for 20−25 min In a cooled crucible and pour the hot water (volume of Cup) and put on lightly heated tile; in this case m quickly separated from the bottom of the crucible.
The contents of the crucible are transferred quantitatively into a glass with a capacity of 200 sm, leach m 100 cm
of hot water. Pieces with break glass rod. For the conversion of fluorides in a solution of the latter is heated nearly to boiling and after cooling transferred in a volumetric flask with a capacity of 250 cm
, then adjusted to the mark with water, mixed, filtered through double thick dry filter into a dry flask, discarding first portion of filtrate. 4 cm
solution flux brand ПВ200 or 5 cm
of the solution of the flux brand ПВ201 placed in a volumetric flask with a capacity of 100 cm
, add 20 cm
of water, 0.2 cm
of a hydrochloric acid solution, 2 cm
of a solution of nitrate Zirconia, add a 10 cm
solution, arsenazo-1, stirred, adjusted to the mark with water and mixed again.
Simultaneously, a solution of the reference experiment and two comparison solution containing 0.05 and 0.06 mg of fluoride (for validation of calibration curve). After 20 min, the test solution and the solutions comparison photometered relative to the control solution on
trying.
4.4.2,
4.4.4. Processing of the results
Mass fraction of fluorine () in percent is calculated by the formula
where the fluorine content, was found in the calibration graphics mg;
is the mass flux, taken for photometry, g,
The analysis result should be the arithmetic mean of two parallel definitions, allowable differences between them and between the results of the two tests 
4.5. Determination of fluorine in the fluxes of brands ПВ209, ПВ209Х and ПВ284Х
4.5.1. Equipment, reagents, solutions
Distilled water GOST 6709−72. Distilled water saturated with calcium fluoride, is prepared by dissolving 0.20 g of calcium fluoride in 1 DMdistilled water. The supernatant solution was filtered through a filter crucible.
Calcium chloride 6-water, H. h, 25% solution.
Sodium acetate according to GOST 199−78, H. h
Filters and glass products with filters according to GOST 25336−82, type TF ПОР10 or ПОР16.
Laboratory scales for General purpose according to GOST 24104−88.
The drying Cabinet for maintaining the temperature of 105−110 °C.
The calcium fluoride.
Cover the crucible 4−1 GOST 9147−80.
Beaker is 50 according to GOST 1770−74.
The glasses are In 1−100 TCS and SV-14/8 according to GOST 25336−82.
4.5.2. Analysis
About 0.5 g of the flux brand ПВ209 or ПВ209Х or about 0.3 g flux brand ПВ284Х weighed with accuracy up to 0.0002 g, placed in a beaker with a capacity of 100 cm, 50 cm add
the calcium chloride solution and boil for 15−20 minutes while maintaining the initial volume by adding hot water. To the boiling solution add of 3.00 g of sodium acetate, boil for 3−5 minutes until the enlightenment of the solution, remove the beaker with the solution from the tiles and filter the precipitate through a filtering crucible, previously dried to constant weight and weighed with an accuracy of 0.0002 g. more Precipitate on the filter three times washed with cold water saturated with calcium fluoride, washing the walls of the glass. The crucible is put into an oven and dried to constant weight at 105−110 °C.
4.5.3. Processing of the results
Mass fraction of fluorine () in percent is calculated by the formula
where is the mass of the precipitate after drying, g;
— the weight of the portion of flux, g;
0,487 — the ratio of the mass calcium fluoride on the weight of fluorine.
For the results analysis be the arithmetic mean of results of three parallel definitions, permissible difference between them and between the results of the two tests 
4.6. Determination of potassium, sodium and calcium
The contents of potassium, sodium and calcium fluxes was determined by flame photometry.
The method is based on excitation and registration of the emission spectrum of the sample injected in aerosol form into the air-acetylene flame.
4.6.1. Equipment, reagents, solutions
Spectrograph ISP-51 with a PV prefix FEP-1.
Photomultipliers type FEU-97 and FEU-62 or other photomultipliers sensitive to visible and infrared region of the spectrum; the use of other devices that provide similar sensitivity and accuracy.
The high-voltage stabilizer of the type of BV-2 or another similar device.
The e-type potentiometer KSP-4.
Acetylene, dissolved and gaseous technical GOST 5457−75, cleaned with sulfuric acid.
The air is compressed according to GOST 17433−80.
Distilled water GOST 6709−72.
Hydrochloric acid according to GOST 14261−77, high purity.
Sulfuric acid according to GOST 14262−78, high purity.
Sodium chloride according to GOST 4233−77, H. C., recrystallized, 20 and 2%-s ' solutions.
Solutions of salts of potassium, sodium and calcium with sodium and calcium 0.1 mg/cm — solution and with a potassium content of 0.1 mg/cm
— B solution prepared according to GOST 4212−76. All the original solutions and the solutions of the comparison is stored in a plastic container.
Laboratory scales for General purpose according to GOST 24104−88.
Volumetric flasks 1-(100, 1000)-2 according to GOST 1770−74.
Pipette 4−2-2, 6−2-(5, 10) according to GOST 20292−74.
Flask SPM-250 GOST 25336−82.
Crucibles porcelain with GOST 9147−80.
Cylinder 1-(10, 25) according to GOST 1770−74.
Paper scale-coordinate according to GOST 334−73.
Tracing paper according to GOST 892−89.
Tape diagram according to GOST 7826−82*.
______________
* On the territory of the Russian Federation GOST 7826−93. — Note the manufacturer’s database.
4.6.2. Preparation for assay
The analyzed solutions were prepared as follows: 0.5 g of flux is weighed with accuracy up to 0.001 g, placed in a beaker, add 20 cmof water 5 cm
of hydrochloric acid solution and dissolved by heating for 15 min.
The resulting solution was cooled, transferred to a volumetric flask with a capacity of 100 cm, the volume was adjusted solution to the mark with water and mix thoroughly. Aliquote part of the solution was diluted in the required number of times (table.3). Dilution is carried out 200 times 2% solution of sodium chloride.
Table 3
| The designated element |
Grade fluxes | |||
| ПВ200 |
ПВ201 |
ПВ209, ПВ209Х |
ПВ284Х | |
| Potassium |
- |
- |
200 |
200 |
| Sodium |
25 |
25 |
- |
- |
| Calcium | 50 |
50 |
- |
- |
Note. The dissolution flux brand ПВ201 allowed the formation in solution of the precipitate due to the presence of ligatures.
The solutions comparison is prepared as follows: five volumetric flasks with a capacity of 100 cmpoured in 25 cm
of water as indicated in that table.4 volumes of solution A was adjusted to the mark with water and mix.
Table 4
The amount of solution, cm |
The contents of alkali metals |
The content of alkali metals in the solution comparison (in terms of flux), % | |||||
| And |
B |
Sodium |
Calcium |
Potassium |
Sodium |
Calcium |
Potassium |
| 2,0 |
5,0 |
0,2 |
0,2 |
0,5 |
1,0 |
2,0 |
20,0 |
| 4,0 |
6,0 |
0,4 |
0,4 |
0,6 |
2,0 |
4,0 |
24,0 |
| 6,0 |
7,0 |
0,6 |
0,6 |
0,7 |
3,0 |
6,0 |
28,0 |
| 8,0 |
8,0 |
0,8 |
0,8 |
0,8 |
4,0 |
8,0 |
32,0 |
| 10,0 |
9,0 |
1,0 |
1,0 |
0,9 |
5,0 |
10,0 |
36,0 |
| - |
10,0 |
- |
- |
1,0 |
- |
- |
40,0 |
To determine the potassium content in the flux brands ПВ209, ПВ209Х, ПВ284Х in six volumetric flasks with a capacity of 100 cmpoured on a 25 cm
water, 10 cm
of 20% aqueous sodium chloride solution and given in table.4 the number of solution B was adjusted to the mark with water and mix.
4.4.4, 4.5
4.6.3. Analysis
Compare the radiation intensity of the resonance lines: Na — 589,0 is 589,6 nm; Sa 422,7 nm, K — nm 766,6 that occur in the spectrum of the flame of air-acetylene when administered in analyzed solutions and solutions comparison. On provisioned the device consistently photometric water used to prepare the solutions analyzed solutions and solutions comparison in order of increasing content of potassium, sodium, calcium.
Then the solutions photometered in reverse order, starting with the maximum content of potassium, sodium and calcium, given as an amendment the count obtained in fotomaterialy water. Calculate the arithmetic mean value of radiation intensity for each solution.
4.6.4. Processing of the results
The data obtained for comparison of solutions to build calibration graphs, plotting on the ordinate the values of radiation intensity on the x — axis is the percentage of potassium (sodium and calcium).
The contents of potassium, sodium, calcium in the analyzed fluxes found by calibration charts. The analysis result should be the arithmetic mean of two parallel definitions, the permissible discrepancy between the results of parallel measurements and the results of the two tests 
Table 5
| The designated element |
The interval defined by the mass fraction |
Allowable difference, % |
| Potassium |
33,5−37,0 |
3 |
| Sodium |
2,3−4,7 |
0,6 |
| Calcium |
4,8−8,2 |
0,6 |
Limit value analysis results for each element fluxes of all grades must be within the limits specified in table.2.
(Changed edition, Rev. N 3).
4.7. Determination of aluminium
4.7.1. Reagents and solutions
Paper universal indicator pH 1−10.
Buffer solutions with pH value of 5.5−6.0 are prepared according to GOST 10398−76.
Distilled water GOST 6709−72.
Selenology orange, indicator, 0,1% solution.
Hydrochloric acid by the GOST 3118−77, 25% solution.
Sodium hydroxide according to GOST 4328−77, H. h., 20 and 2%-s ' solutions.
Salt is the disodium Ethylenediamine-N, N, N', N' — tetraoxane acid, 2-water (Trilon B) according to GOST 10652−73, solution concentration of 0.05 mol/l(0.1 n). The ratio of the molarity of a solution is determined by the granular zinc to the following: 0,0700−0,0800 g of granulated zinc is placed in a conical flask, dissolved in 2 cm
of nitric acid, dilute with water to 100 cm
, with a solution of ammonia establish a pH of 4−5 (by indicator paper), add a 10 cm
buffer solution, 0.5 cm
kylinalove orange solution and titrate with the amount of drops of 0.01−0.02 cm
with a solution of disodium salt Ethylenediamine-N, N, N', N' -tetraoxane acid to transition the crimson color of the solution to lemon-yellow.
The ratio of the molarity of a solution of disodium salt Ethylenediamine-N, N, N', N' — tetraoxane acid is calculated by the formula
where — weight of granulated zinc, g;
— the volume of a solution of disodium salt Ethylenediamine-N, N, N', N' — tetraoxane acid concentration of 0.05 mol/DM
,
0,005741 — the amount of zinc corresponding to 1 cmsolution of disodium salt 0.05 mol/DM
.
Zinc sulfate according to GOST 4174−77, H. h, solution concentration of 0.05 mol/DM.
Burette 5−2-50 according to GOST 20292−74.
Microburette 6−2-5 according to GOST 20292−74.
A funnel-36−80ХС according to GOST 25336−82.
Dropper SN-15,0 CH GOST 25336−82.
The bulb KN-2−500−34ТХС, KN-2−250−34ТХС according to GOST 25336−82.
Beaker 100 according to GOST 1770−74.
Glass N-1−250 TCS according to GOST 25336−82.
Obezdolennyh filter «white ribbon».
Ammonia water according to GOST 3760−79, a solution with a mass fraction of 10%.
Zinc, granulated.
Nitric acid GOST 4461−77, a solution with a mass fraction of 38%.
(Changed edition, Rev. N 3).
4.7.2. Analysis
1 g of the flux brand ПВ201 weighed with accuracy up to 0.0002 g, placed in a beaker with a capacity of 250 cm, flow 40 cm
of a solution of 20% aqueous sodium hydroxide for 3 h and periodically stirred the contents of the glass, then reheat and continue dissolving until the termination of allocation of bubbles of hydrogen, and then poured 100 cm
of hot water, heat the solution to boiling and leave for 15 minutes for sedimentation. The undissolved residue is filtered over two filter ashless white ribbon into the conical flask with a capacity of 700 cm
and washed 5−6 times with 2% sodium hydroxide solution. (The filter with the precipitate and the glass remain for the determination of magnesium). The filtrate and washings neutralized with hydrochloric acid to pH 2.5 to 3.0, add 10 cm
of the solution Trilon B, 10 cm
buffer solution, 0.5 cm
of the solution kylinalove orange and boil for 5 minutes, after which the solution was cooled and titrated from microburette solution of sulphate of zinc prior to the change of the yellow colour of the solution in orange
.
4.7.3. Processing of the results
Mass fraction of aluminium () in percent is calculated by the formula
where — volume of the exact solution of the disodium salt Ethylenediamine-N, N, N', N' — tetraoxane acid (2-water) concentration of 0.05 mol/DM
, cm
;
— the volume of the exact solution of zinc sulfate concentration of 0.05 mol/DM
consumed for titration, cm
;
— the weight of the portion of flux, g;
0,001349 the amount of aluminum corresponding to 1 cmof solution of Trilon B.
The analysis result should be the arithmetic mean of two parallel definitions, allowable differences between them and between the results of the two tests 
(Changed edition, Rev. N
3).
4.8. Determination of magnesium content
4.8.1. Reagents and solutions,
Ammonia water according to GOST 3760−79, 20% solution.
Ammonium chloride according to GOST 3773−72, 10% solution.
Acetone according to GOST 2603−79.
Paper universal indicator pH 1−10.
Distilled water GOST 6709−72.
Diethyldithiocarbamate sodium GOST 8864−71, h. e. a., A 5% solution.
Potassium-sodium vinocity according to GOST 5845−79, h. e. a., 50% solution.
Hydrochloric acid by the GOST 3118−77, H. C., 20% solution.
Magneson XC, 0,01% solution in acetone.
Sodium hydroxide according to GOST 4328−77, H. C., 20% solution.
Solution containing magnesium, prepared according to GOST 4212−76 and diluted to a concentration of 0.01 mg/cm.
A funnel-36−80ХС according to GOST 25336−82.
The bulb 1−100−2 according to GOST 1770−74.
Pipette 5−2-1, 5−2-2 according to GOST 20292−74.
Tube P2−14−100ХС according to GOST 25336−82.
Filter obezdolennyh «blue ribbon».
Cylinder 1−10 according to GOST 1770−74.
4.8.2. Analysis
The filter cake remaining after separation of aluminum, is dissolved in 20 cmof a solution of hot hydrochloric acid, washed the filter 4−5 times in small portions of water. Hydrochloric acid solution and the washings collected in the beaker where he dissolved the suspension, the filter is discarded. The filtrate is neutralized with a solution of hydrate of sodium oxide to pH 4−4,5, poured 20 cm
of a solution of sodium diethyldithiocarbamate, transferred the contents of the Cup into a measuring flask with a capacity of 100 cm
, adjusted to the mark with water and mix. The supernatant solution is filtered through dense dry filter into a dry flask, discarding first portion of filtrate.
2 cmfiltrate (0.02 g) was placed in a test tube with a diameter of 15 mm, added 1 cm
of water and with stirring add 0.5 cm
of a solution of ammonium chloride, 0.2 cm
of a solution Vinokurova potassium-sodium, 1 cm
of acetone, 0.4 cm
of ammonia solution and 0.6 cm
of a solution of magnezone.
At the same time prepare a scale of standard solutions containing the same amount 0,006; 0,007; 0,008; 0,009 and 0.010 mg of magnesium, 0.5 cmof a solution of ammonium chloride, 0.2 cm
of a solution Vinokurova potassium-sodium, 1 cm
of acetone, 0.4 cm
of ammonia solution and 0.6 cm
of a solution of magnezone.
After 10 minutes, solutions of kolori
metricout.
4.8.3. Processing of the results
Mass fraction of magnesium (a) in percent is calculated by the formula
where — the amount of magnesium in the standard solution, the color intensity matches the color of test solution, mg;
— the weight of the portion of the flux,
The analysis result should be the arithmetic mean of two parallel definitions, permissible difference between them and between the results of the two tests 
4.9. Determination of copper content
4.9.1. Apparatus, reagents and solutions
Spectrophotometer or photoelectrocolorimeter.
Paper universal indicator pH 1−10.
Distilled water GOST 6709−72.
Hydrogen peroxide according to GOST 10929−76, 30% solution.
Diethyldithiocarbamate lead, 0,025% solution in chloroform.
Sulfuric acid GOST 4204−77, solution concentration of 0.05 mol/DM.
Hydrochloric acid by the GOST 3118−77, H. C., 20% solution.
Sodium hydroxide according to GOST 4328−77, H. h, solution concentrations of 1 mol/DM.
Chloroform.
Funnel separating VD-1−50ХС according to GOST 25336−82.
The bulb 1−100−2, 1−250−2 according to GOST 1770−74.
Pipette 5−2-1, 2−2-5, 2−2-10 according to GOST 20292−74.
Vial P-2−20−14/23ХС according to GOST 1770−74.
A glass H-1−250, H-1−50 GOST 25336−82.
3−25 cylinder according to GOST 1770−74.
4.9.2. Analysis
The determination is carried out according to GOST 10554−74 diethyldithiocarbamate method. 1 g of the flux brand ПВ201 weighed with accuracy up to 0.0002 g, placed in a beaker with a capacity of 250 cm, flow 20 cm
of a hydrochloric acid solution, 3−4 drops of solution of hydrogen peroxide, cover the beaker watch glass and gently heated until complete dissolution of the flux. The contents of the beaker quantitatively transferred to a volumetric flask with a capacity of 250 cm
, was adjusted to the mark with water and mix. 10 cm
resulting solution was placed in a volumetric flask with a capacity of 100 cm
, the volume was adjusted to the mark with water and mix. 5 cm
(0.002 g) of the resulting solution placed in a beaker with a capacity of 50 cm
, add 15 cm
of water, set pH 6−7 with a solution of sodium hydroxide, transfer the solution into the separatory funnel, the volume was adjusted with water to 25 cm
, add four drops of the sulfuric acid solution and 5 cm
of 0.025% solution of diethyldithiocarbamate lead. Further analysis of the lead according to GOST 10554−74.
To construct the calibration curve, prepare solutions containing 0,000; 0,008; 0,009; 0,010; 0,011 mg of copper.
4.9.3. Processing of the results
Mass fraction of copper () in percent is calculated by the formula
where the amount of copper found in the calibration graphics mg;
the mass flux taken for analysis,
The analysis result should be the arithmetic mean of two parallel definitions, permissible difference between them and between the results of the two tests 
4.8.1−4.9.3. (Changed edition, Rev. N 3).
4.10. Determination of oxygen content
The oxygen content determined by difference between 100% and the sum of the controlled elements in percent.
4.11. The calculation of the area of spreading of the solder (n.2.3) is carried out according to GOST 23904−79. Allowed to measure the area of spreading of the solder by the methods given in prilozheniye 21073.4−75.
(Changed edition, Rev. N 1).
4.11.1. Materials
Stainless steel grade 12X18H9T according to GOST 5632−72.
Brass brand L-63 according to GOST 15527−70*.
______________
* On the territory of the Russian Federation GOST 15527−2004. — Note the manufacturer’s database.
Wire from silver solders according to GOST 19746−74, grades according to GOST 19738−74.
Sandpaper M40-P GOST 10054−82.
Acetone according to GOST 2768−79.
Gasoline according to GOST 2084−77.
4.11.2. Testing
Align the plate is cleaned with sandpaper to remove oxides and other contaminants and degreased with acetone or gasoline.
Plate, the center of which is placed a solder and the test flux with a mass of 0.5 g, poured in the solder in the form of slides, placed into an oven, preheated to a temperature above the melting point of the corresponding solder to (90±10) °C and kept for 1 min after complete melting of the solder. The test is performed in a furnace without a protective environment.
For test brands fluxes ПВ200 and ПВ201 used as solder brass.
For test brands fluxes ПВ209 and ПВ209Х used silver solder brand Sep-45.
To test the flux brand ПВ284Х used silver solder brand PSR-40.
4.12. Defining the appearance and uniformity
Color and uniformity (p.2.4) is determined by visual inspection.
4.13. The determination of moisture content
4.13.1. Analysis
2 g of flux is weighed with an error not exceeding 0.0002 g in brought to constant weight boxe and dried in a drying Cabinet at a temperature of 105−110 °C to constant weight and weighed again.
4.13.2. Processing of the results
Moisture content () in percent is calculated by the formula
where is the mass flux after drying, g;
— the weight of the portion of the flux before drying, g.
The analysis result should be the arithmetic mean of two parallel definitions, permissible difference between them and between the results of the two tests 
4.13.1,
5. MARKING, PACKAGING, TRANSPORTATION AND STORAGE
5.1. Fluxes are Packed and labeled according to GOST 3885−73. Group packing: V, VI. The type of containers: 2−4, 2−7, 2−9. At the request of the customer can be type of packaging 6−1, 11−6 (liner bags up to 50 kg). The jar with the product in addition to the label paste a sign of danger according to GOST 19433−81*, class 9, subclass 9.2.
________________
* On the territory of the Russian Federation is the GOST 19433−88. Here and hereinafter. — Note the manufacturer’s database.
Jars and packets of flux are placed in boxes of the type II-1 N 15−1, 24−1 N type III-1 N 19−1, 25−1 N GOST 18573−86. The gross mass of the box should be no more than 50 kg.
Liner bags is placed in a plywood stamped barrels or cardboard winding drums according to GOST 17065−77*.
______________
* On the territory of the Russian Federation GOST 17065−94. — Note the manufacturer’s database.
Transport marking of the goods is performed according to GOST 14192−77* with application of manipulation signs: «the Upper hand, not to turn over!», «Afraid of moisture!», «Caution, fragile!», as well as signs of danger according to GOST 19433−81, class 9, subclass 9.2 category
______________
* On the territory of the Russian Federation GOST 14192−96. — Note the manufacturer’s database.
5.2. Fluxes transporterowych rail and road transport in accordance with goods transportation regulations applied to this type of transport or postal parcels.
When transporting cargo package 21929−76 according to GOST and GOST 26663−85 on pallets according to GOST 9078−84, GOST 9557−87 or GOST 26381−84 using fixing devices according to GOST 21650−76.
5.3. Fluxes stored in the manufacturer’s packaging in covered warehouses.
Sec. 5. (Changed edition, Rev. N 3).
6. MANUFACTURER’S WARRANTY
6.1. The finished products shall be accepted by the technical control of the manufacturer. The manufacturer must guarantee the conformity of all products supplied to the requirements of this standard when complying with the storage conditions prescribed by the standard.
6.2. Warranty period of storage products is one year from the date of manufacture.
(Changed edition, Rev. N 2)
ANNEX 1 (mandatory). The purpose fluxes
ANNEX 1
Mandatory
| Brand fluxes |
The temperature interval activity flux, °C |
Brazed material |
Apply the solder |
| ПВ200 |
800−1200 |
Stainless and structural steel, high-temperature alloy | High — and srednebelaya solders |
| ПВ201 |
800−1200 | ||
| ПВ209 |
700−900 |
Stainless and structural steel, copper and its alloys | Srednebelaya solders |
| ПВ209Х |
700−900 | ||
| ПВ284Х |
600−800 |
ANNEX 2 (mandatory). The compliance of the designations old and new brands fluxes
ANNEX 2
Mandatory
| The old designation |
A new designation |
| 200 |
ПВ200 |
| 201 |
ПВ201 |
| 209 |
ПВ209 |
| 209 |
ПВ209Х |
| 284 |
ПВ284Х |
APPENDIX 3 (obligatory). OKP codes assigned grades of fluxes
APPENDIX 3
Mandatory
Table 3
| Mark flux |
OKP code |
| ПВ200 |
17 1821 0100 08 |
| ПВ201 |
17 1821 0200 05 |
| ПВ209 |
17 02 1821 0300 |
| ПВ209Х |
17 1822 0100 03 |
| ПВ284Х |
17 1822 0200 00 |
(Changed edition, Rev. N 3)
