sodium alum
Noun
Meaning
sodium alum (plural sodium alums)
(mineralogy) A water-soluble mineral NaAl(SO4)2·12(H2O); a form of alum in which potassium is replaced by sodium.
Noun
sodium alum (plural sodium alums)
(mineralogy) A water-soluble mineral NaAl(SO4)2·12(H2O); a form of alum in which potassium is replaced by sodium.