CPC Subgroup
C01B 17/30 Preparation from sodium or potassium amalgam with sulfur or sulfides
Full Title
Sulfur; Compounds thereof > Alkali metal sulfides or polysulfides > Preparation from sodium or potassium amalgam with sulfur or sulfides
C01B 17/30 Sulfur; Compounds thereof > Alkali metal sulfides or polysulfides > Preparation from sodium or potassium amalgam with sulfur or sulfides