GOST 14339.5-91
GOST 14339.5−91 Tungsten. Methods of spectral analysis
GOST 14339.5−91
Group B59
STATE STANDARD OF THE USSR
TUNGSTEN
Methods of spectral analysis
Tungsten. Methods of spectral analysis
AXTU 1709
Date of introduction 1993−01−01
INFORMATION DATA
1. DEVELOPED AND INTRODUCED by the Ministry of metallurgy of the USSR
DEVELOPERS
Y. A. Abramov, A. I. Skrypnyk, S. N. Suvorova, N. With. Borodin, L. P. Nikitina, A. G. Matyushina, Z. A. Isaeva, V. E. Chebotarev, A. N. Galkova, A. I. Davydova
2. APPROVED AND promulgated by the Decree of Committee of standardization and Metrology of the USSR from
3. REPLACE GOST 14339.5−82
4. REFERENCE NORMATIVE AND TECHNICAL DOCUMENTS
| The designation of the reference document referenced |
Paragraph number section |
| GOST 83−79 |
3 |
| GOST 166−89 |
3 |
| GOST 195−77 |
3 |
| GOST 859−78 |
7.2 |
| GOST 1770−74 |
7.2, 9.2, 10.2 |
| GOST 3118−77 |
3, 10.2 |
| GOST 3773−72 |
3 |
| GOST 3760−79 |
9.2 |
| GOST 4142−77 |
7.2 |
| GOST 4160−74 |
3 |
| GOST 4232−74 |
3 |
| GOST 4233−77 |
3; 9.2; 10.2 |
| GOST 4234−77 |
3; 9.2 |
| GOST 4331−78 |
3 |
| GOST 4461−77 |
3 |
| GOST 4463−76 |
3 |
| GOST 4467−79 |
3 |
| GOST 4470−79 |
3 |
| GOST 4517−87 |
10.2 |
| GOST 4526−75 |
3; 10.2 |
| GOST 4530−76 |
10.2 |
| GOST 5457−75 |
10.2; 9.2 |
| GOST 5542−87 |
9.2 |
| GOST 5556−81 |
3 |
| GOST 6563−75 |
3 |
| GOST 8677−76 |
3 |
| GOST 9147−80 |
3 |
| GOST 9428−73 |
3 |
| GOST 9722−79 |
7.2 |
| GOST 10216−75 |
3 |
| GOST 10262−73 |
3 |
| GOST 10484−78 |
3 |
| GOST 10929−76 |
3; 9.2; 10.2 |
| GOST 11120−75 |
3 |
| GOST 14261−77 |
10.2 |
| GOST 29103−91 |
1; 2; 4.4.1; 4.5; 5.5; 6.5; 7.5; 8.5; 9.5 |
| GOST 14919−83 |
3; 9.2 |
| GOST 16539−79 |
3 |
| GOST 17433−80 |
10.2 |
| GOST 18300−87 |
3 |
| GOST 19627−74 |
3 |
| GOST 19908−90 |
3; 7.2 |
| GOST 22300−76 |
3 |
| GOST 23676−79 |
3 |
| GOST 23711−79 |
3 |
| GOST 23932−90 |
3, 9.2 |
| GOST 24147−80 |
9.2; 10.2 |
| GOST 25336−82 |
7.2; 9.2 |
| GOST 25664−83 |
3 |
| GOST 27068−86 |
3 |
| GOST 29103−91 |
5.5 |
| THAT 6−09−5346−87 |
3 |
| THAT 6−09−3678−74 |
10.2 |
| THAT 14−5-203−89 |
3 |
| THAT 48−12−52−88 |
3 |
| THAT 95−175−78 |
10.2 |
| THAT 95−337−79 |
10.2 |
This standard specifies the spectral methods of determination of impurity elements of aluminum, vanadium, bismuth, hafnium, iron, cadmium, potassium, calcium, cobalt, silicon, magnesium, manganese, copper, molybdenum, arsenic, sodium, Nickel, niobium, tin, lead, antimony, tantalum, titanium, chromium, zinc, zirconium in the metallic tungsten (in the form of rod, rod billet, strip, wire), tungsten oxide, ammonium paratungstate, tungsten acid, tungsten carbide.
1. GENERAL REQUIREMENTS
General requirements for methods of analysis GOST 29103.
2. SAFETY REQUIREMENTS
Safety requirements — according to GOST 29103.
3. MEASUREMENT MEANS, AUXILIARY DEVICES, MATERIALS AND REAGENTS
Universal DC generator UGE-4, operating in the mode of DC arc, or any rectifier that provides DC current of 15 a at A voltage of 220 V. the voltage on the electrodes should be at least 40 V.
The installation of PV types MFS-8 and MFS-4 or other similar type.
The types of quartz spectrograph ISP-30, ISP-22 spectrograph or other medium variance.
Types spectrograph DFS-13 or DFS-8 with grille 600 PCs/mm operating in the first order, or any other large spectrograph dispersion.
Spectromancer types of SPP-2, DSP-1, PS-18 or similar type.
Microphotometer geregistreerde types of MF-2, MF-4 in geregistreerde mode or another similar type.
Muffle furnace with thermocouple, providing heating to 1100 °C.
Tile electrical with closed spiral PE-600−2 according to GOST 14919.
Drying oven or infra-red lamp for drying standard sample (co) and coal blends.
Analytical scale types of VLA-200M, VLR-200 or other similar type.
Libra torsion bar type W, which required weighing accuracy.
Scale technical capacity up to 200 g according to GOST 23711, GOST 23676*.
______________
* On the territory of the Russian Federation GOST 29329−92. — Note the manufacturer’s database.
Stopwatch.
Scalpel stainless steel spatula or organic glass.
Tweezers stainless steel.
Compaction of organic glass or stainless steel to seal the mixture.
Mortar with pestle made of organic glass, chalcedony, agate or Jasper.
Box table for sample preparation WITH, any construction, easy to use.
Cup and quartz crucible according to GOST 19908 or platinum according to GOST 6563.
Cups and porcelain crucibles according to GOST 9147.
Mortar mechanical or any other device providing the necessary mixing of the samples.
Table lathe machine or any other device for sharpening carbon and graphite electrodes.
Caliper 0−250 with divisions of 0.05 mm, 0−125 with divisions of 0.1 mm according to GOST 166.
Carbon electrodes with a diameter of 6 mm brands-2 OS.h. 7−4.
Coal powder obtained by grinding coal, graphite electrodes and powder grade OS.h. 7−4.
Graphite on the other 48−12−52 or the 14−5-203.
Photographic plates PFS-01, the SFC-02, the SFC-03, PFS-05, PFI-01 size 9x12, 9х24, 13x18 cm or other contrasting photographic plates.
Reliever quartz nine-and three-stage.
Medical absorbent cotton wool GOST 5556.
Aluminum oxide, anhydrous, h.d. a.
Tungsten oxide spectral-net.
Molybdenum oxide spectral-net.
Vanadium oxide, H. h
Of hafnium oxide, H. h
Bismuth oxide according to GOST 10216.
Hydrogen peroxide according to GOST 10929 or OS.h.
Iron oxide on the other 6−09−5346.
Cadmium oxide according to GOST 11120.
Calcium oxide according to GOST 8677.
Cobalt oxide according to GOST 4467.
Silicon oxide (anhydrous silicic acid) according to GOST 9428.
Potassium yodit according to GOST 4232.
Potassium chloride according to GOST 4234.
Nitric acid according to GOST 4461.
Hydrochloric acid according to GOST 3118.
Hydrofluoric acid according to GOST 10484.
Magnesium oxide according to GOST 4526.
Manganese oxide according to GOST 4470.
Copper (II) oxide according to GOST 16539.
Arsenic oxide H. h
Sodium chloride according to GOST 4233.
Sodium fluoride according to GOST 4463.
Nickel oxide according to GOST 4331.
Of niobium oxide H. h
Tin oxide h.d. a.
Rectified ethyl alcohol according to GOST 18300.
Of lead oxide.
Of antimony oxide.
Tantalum oxide, h.d. a.
Titanium oxide, h.d. a.
Chromium oxide anhydrous, h.d. a.
Zinc oxide according to GOST 10262.
Zirconium oxide, h.d. a.
The ethyl ether according to GOST 22300.
Perhaps the use of other compounds with oxygen and reagent qualification H. C., C. D. A., OS.CH., to guarantee the quality of tests.
Developer:
Solution I:
metol (para-metilaminofenazon) according to GOST 25664 — 2 g;
hydroquinone (paradoxians) according to GOST 19627 — 10 g;
sodium sanitarily according to GOST 195 — 52 g;
potassium bromide according to GOST 4160 — 2 g;
distilled water to 1000 cm.
Solution II:
sodium carbonate according to GOST 83 — 44 g;
distilled water to 1000 cm.
Equal volumes of solutions I and II merge together before the manifestation, which is carried out at (20±1) °C.
Fixer:
Chernovetskiy sodium (sodium thiosulfate) 5-water according to GOST 27068 — 300 g;
ammonium chloride according to GOST 3773 — 60 g;
sodium sanitarily according to GOST 195 — 45 g;
distilled water to 1000 cm.
Allowed to use other contrast developer.
