Water treatment

Ferrous sulfate heptahydrate

Formula: FeSO₄·7H₂O

CAS No.: 7782-63-0

HS Code: 2833.29

Sodium sulfite

Formula: Na₂SO₃

CAS No.: 7757-83-7

HS Code: 2831.20

Sodium bicarbonate

Formula: NaHCO₃

CAS No.: 144-55-8

HS Code: 2836.30

Trisodium phosphate

Formula: Na₃PO₄

CAS No.: 7601-54-9

HS Code: 2835.29

Magnesium oxide

Formula: MgO

CAS No.: 1309-48-4

HS Code: 2816.00