double salt
salts containing more than one type of cation or anion
alum
family of double sulfate salts of monovalent and trivalent cations
alkali salt
any double salt in which one of the two types of anions are oxide or hydroxide anions
iron chloride sulfate
chemical compound
Tutton's salt
family of double salts with monovalent and hexahydrated divalent cations, and a divalent anion
ferrous ammonium sulfate
chemical compound
sodium sesquicarbonate
double salt of sodium bicarbonate and sodium carbonate