Sodium Metabisulphite

Formula: Na2S2O5

M.W.: 190.10

Appearance: White or slight yellow crystalline powder.

Specifications: 97% Min; Food Grade

Na2S2O5:   97% min

SO2:   65% min

Fe:   0.003% max

Water Insoluble:   0.05% max

As:   0.0001% max

PH:   4.0 - 4.8

Heavy Metals (Pb):   0.0005% max

Package: in 25kg p.p.wovened bags