28413000

SODIUM DICHROMATE

28415010

SODIUM CHROMATES

28415090

OTHER DICHROMATES : PEROXOCHROMATES & CHROMATES

28416100

POTASSIUM PERMANGANATE

28416900

MANGANITES, MANGANATES & PERMANGANATES (OTHR THAN POTTASSIUM PERMANGANATES)

28417010

ALUMINIUM MOLYBDATE

28417020

SODIUM MOLYBDATE

28417090

OTHER MOLYBDATES

28418010

SODIUM TUNGSTATE

28418020

MAGNESIUM TUNGSTATE

28418090

OTHER TUNGSTATES

28419000

OTHER SALTS OF OXOMETALLIC OR PEROXOMETALLIC ACIDS, NES