GOST 9147-1980 Laboratory porcelain ware and apparatus. Specifications*, 2024-04-17 Update
GOST R 51296-1999 history
2013GOST 32175-2013 Tobacco and tobacco products. Determination of nicotine purity. Gravimetric method using tungstosilicic acid
1999GOST R 51296-1999 Tobacco and tobacco products. Determination of nicotine purity. Gravimetric method using tungstosilicic acid
GOST R 51296-1999 Tobacco and tobacco products. Determination of nicotine purity. Gravimetric method using tungstosilicic acid was changed to GOST 32175-2013 Tobacco and tobacco products. Determination of nicotine purity. Gravimetric method using tungstosilicic acid.