焦亚硫酸钠

详细说明

Sodium Metabisulphite (7681-57-4)

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

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