28331100

DISODIUM SULPHATE

28331910

SODIUM HYDROGEN SULPHATE(ACID SULPHATE)

28331920

SODIUM PYROSULPHATE

28331990

OTHER SODIUM SULPHATES

28332100

MAGNESIUM SULPHATE

28332210

ALUMINIUM SULPHATE (IRON FREE)

28332290

OTHER ALUMINIUM SULPHATE

28332400

NICKEL SULPHATE

28332500

COPPER SULPHATE

28332700

BARIUM SULPHATE

28332910

FERROUS SULPHATE

28332930

QUINIDINE SULPHATE

28332940

MANGANESE SULPHATE

28332950

STRONTIUM SULPHATE

28332990

OTHER SULPHATES, NES

28333010

AMMONIUM ALUM

28333020

FERRIC AMMONIUM ALUM

28333030

POTASH ALUM

28333090

OTHER ALUMS

28334000

PEROXOSULPHATES (PERSULPHATES)