Логотип Сигма-Газ
англ. версия русск.версия

Technical sulfuric acid GOST 2184-77 (with amendments 1-4)

Indicators Standard
1st grade 2st grade
1 mass fraction of monohydrate (H2SO4), %, min 92,5 92,5
2 mass fraction of iron (Fe), %, min 0,02 0,1
3 mass fraction of residue after calcination, %, min 0,05 not standardized
4 color in сm3 of the reference solution, max 6 not standardized