GOST 1367.0-83
Group B59
INTERSTATE STANDARD
ANTIMONY General requirements for methods of analysis
GOST 1367.0−83 Instead of GOST 1367.0−76
Antimony. General requirements methods of analysis lor
AXTU 1709
1 (stopped State Committee of USSR on standards of 16 December 1983, No. 6012 date of introduction is established 01.01.8 S
Limitation of actions taken under the Protocol .V.1 4−93 Mithredath the governmental Council on standarten. MST]ologie and certification (NUS 4−94)
This standard establishes General requirements for methods of analysis of antimony according to GOST 1089−82.
(Changed edition, Rev. No. 1).
1. GENERAL REQUIREMENTS
1.1. General requirements for methods of analysis antimony grades Su000, Sooo, FCS, SS 1, SS2 — GOST 25086−87, brands, Soooooo, Sooooo. Sooooo — GOST 22306−77.
(Changed edition, Rev. No. I).
1.3. The spectral definitions of the blackening line of the element and the background should be on the linear part of the characteristic curve of photographic plates.
1.4. In determining the method of atomic absorption establish such conditions of measurements (for example: the height of the illuminated area from the edge of the burner, the composition of the flame, slit width, etc.), which achieved an optimal sensitivity and accuracy for the corresponding element of the instrument.
1.5. For chemical and atomic absorption methods for the analysis result should be the arithmetic mean of the two results of parallel (isolated) definitions.
1.6. All the high peaks to evaluate polarographic determination count to the same instrumental sensitivity polarograph.
1.7. When the photometric method of analysis when building the calibration curve, each point is based on the average of the results of two parallel measurements of the optical density of each of the solutions.
1.8. The control of correctness of analysis results is carried out simultaneously with each batch of the analyzed material when replacing the reagents, solutions, long breaks in work and other changes that affect the result of the analysis. Control of the correctness of the results of the analysis assumesthat using of state standard samples by the method of additives or the analysis of synthetic mixtures by the 22306−77 GOST and GOST 25086−87.
1.7, 1.8. (Added, Rev. No. 1).
2. SAFETY REQUIREMENTS
2.1. When conducting analyses (chemical, spectroscopic, chemical-spectral, atomic absorption) are required to comply with safe work practices in analytical laboratories, approved in the established order.
Food official Reprint vospreschen
Edition with Change number I. approved in March 1989 (NUS 6−89).
21
C. 2 GOST 1367.0−83
2.2. The analytical laboratory should be located in areas with natural light, Central heating, water supply, Sewerage.
2.3. Laboratory facilities in which to conduct the analysis, including the premises in which the selection and grinding of the samples should be equipped with exhaust ventilation in accordance with the requirements of GOST 12.4.021−75.
2.4. General hygiene requirements for temperature, humidity, air velocity and contents of harmful substances in the air of the working area of laboratory areas should sootvetstvovat the requirements of GOST 12.1.005−88 and GOST 12.1.007−76.
2.5. The premises in which the data handling must conform to sanitary rules of design, equipment, operation, and maintenance of production and laboratory premises, intended for work with mercury, its compounds and devices with mercury filling, approved by the Ministry of health of the USSR.
2.6. Fire safety requirements of laboratory facilities must conform to GOST 12.1.004−91. When working in a laboratory should observe the fire safety rules for industrial enterprises, approved by the Main Department of fire protection Ministry of internal Affairs of the USSR.
2.7. Electrical devices, muffles, ovens, stoves, electropositive, pumps must match the class of fire and inflammation of the premises.
2.8. Flammable and combustible liquids should be transported to the laboratory in a tightly sealed container, placed in a special metal asnc with handles, convenient to carry.
2.9. The total stock of these fluids is simultaneously stored in a laboratory room should not exceed their daily needs.
2.10. When working with flammable and explosive gases (acetylene, propane-butane, oxygen) should comply with the safety rules in the gas sector, approved by Gosgortekhnadzor of the USSR.
2.11. When you use gases in cylinders must comply with the rules for design and safe operation of vessels working under pressure, approved by Gosgortekhnadzor of the USSR.
2.12. The laboratory premises should be provided with fire according to GOST 12.4.009−83.
2.13. Laboratory equipment and instruments must be placed in working spaces in accordance with the General safety rules for enterprises and organizations of metallurgical industry. approved by Gosgortekhnadzor of the USSR.
2.14. The analytical laboratory should be equipped with a heating furnace with ventilation cabinets, running water, sanitation, desks covered with linoleum.
2.15. Workstation for performance of work must meet the requirements of GOST 12.2.032−7S and GOST 12.2.033−78.
2.16. All appliances should be equipped with devices for grounding corresponding to requirements of GOST
(Changed edition, Rev. No. I).
2.17. Floors in all rooms that contain equipment with electric equipment (spectrographs, data handling, atomic absorption photometers etc.) should be covered with linoleum. Sections of the floor at work at these devices should be covered with rubber mats.
2.18. Conditions electrical safety in workplaces must comply with GOST 12.1.019−79. the rules of safety at operation of electroinstallations of consumers, approved by Gosenergonadzor.
2.19. The initial product — antimony metal refers to hazard class 2 GOST 12.1.007−76.
SB dust prolonged inhalation may cause lung disease. Acute inhalation of antimony dust is manifested by irritation of the mucous membranes of the respiratory and digestive tract, and skin. The maximum allowable concentration of antimony and its compounds is 0.5 mg/cm1 (GOST 12.1.005−88).
2.20. If you use toxic reagents for the analysis of antimony to be adhered to safe working conditions, established GOST 20228−74 for carbon tetrachloride, GOST 4109−79 for bromine, GOST 1973−77 to arsenious anhydride, GOST 5830−79 for alcohol salelologa.
(Changed edition, Rev. No. 1).
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GOST 1367.0−83 C. 3
2.21. Control of content of harmful substances in the air of the working zone of production areas must be conducted in accordance with the requirements of GOST 12.1.007−76 and the model regulations for the control voctochny environment controlled by the Gostekhnadzor of the Soviet Union the chemical processes, approved by Gosgortekhnadzor of the USSR.
2.22. Analysis of samples on the content of harmful substances must be carried out according to the methods of determination of harmful substances in the air, approved by the Ministry of health of the USSR.
2.23. Chemicals should be stored in specifically designed for each substance place in closed cans, jars or other vessels.
The use of chemicals with unknown characteristics is not allowed.
Bottles of acids (hydrochloric, nitric, sulfuric) should be kept in good baskets and crates. Transfer them you should only two or transported on the truck. Flask with acids and alkalis should be transferred only in wooden or metal boxes lined with asbestos. Acids and alkalis must be stored in cabinets under the hood or in ventilation cabinets.
2.24. Optionally disposal disposal and destruction of hazardous wastes from the production of analyses assistants in accordance with normative-technical documentation approved in the established order.
Waste acid and alkali after neutralization needs to go to the special settlers.
Spilled acid and selachi should be treated with sand, to neutralize and then conduct the cleaning.
2.25. Working in chemical (spectral) the laboratory should be provided with overalls and means of individual protection in accordance with GOST 12.4.011−89.
2.26. To protect eyes from UV radiation when working with a radiation source (an arc), it is necessary to use protective goggles with light filters according to GOST 12.4.013−851.
(Changed edition, Rev. No. 1).
2.27. For protection of respiratory organs working at sharpening carbon electrodes and preparing samples for analysis, it is necessary to use a respirator type «Petal* SB-1 according to GOST 12.4.028−76.
2.28. The excitation source (carbon arc) must be screened and closed by means of placing it in protective ground cover, which should provide a local extraction device for removal from the air of ozone, oxides of metals, oxides of carbon and other harmful compounds emitted in the sources of spectra excitation and bad acting on the body working.
2.29. A device for sharpening carbon electrodes must be equipped with a local extraction device for removal of carbonaceous dust.
2.30. DTA protection from static electricity generated while working with the generators of the arc, it is necessary to provide them with the groundings and in the process, to close the carbon electrodes in the intervals between exhibiting spectra (arcing).
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1
On the territory of the Russian Federation GOST R 12.4.013−97.