GOST 19433-1988 Dangerous goods. Classification and marking*, 1988-04-21 Update
GOST 24104-2001 Laboratory scales. General technical requirements*, 2024-04-21 Update
GOST 2706.2-1974 Benzene hydrocarbons and allied products. Chromatographic method of determination of main substance and impurities content in benzene, tolyene and xylene
GOST 2706.3-1974 Benzene hydrocarbons and allied products. Method of determination of sulphuric acid colour
GOST 2706.5-1974 Benzene hydrocarbons and allied products. Method of determination of thiophene content in benzene