This standard establishes a polarographic method for determining sulfur (with a mass fraction of sulfur from 5x10 to the power minus 6 to 1x10 to the power
GOST 12645.10-1986 Referenced Document
GOST 12.1.005-1988 Occupational safety standards system. General sanitary requirements for working zone air*， 1988-04-19 Update
GOST 12.1.016-1979 Occupational safety standards system. Working zone air. Requirements for measurement techniques of unhealthy matters concentrations