This standard establishes a polarographic method for the determination of sulfur from 5x10 to the power of minus 6 to 1x10 to the power of minus 3% and a volumetric method
GOST 1367.7-1983 Referenced Document
GOST 1367.0-1983 Antimony. General requirements for methods of analysis
GOST 1770-1974 Laboratory volumetric glassware. Cylinders, beakers, measuring flasks, test tubes. General specifications