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Sodium Metabisulphite

Sodium Metabisulphite,white or slightly yellow crystalline powder.
  • Item NO.:

    Sodium Metabisulphit
  • Brand:

    AYT
  • Product Details
Sodium Metabisulphite
Product Name:
Sodium Metabisulphite
CAS No.:
7681-57-4
Molecular formula:
Na2S2O5
Molecular weight:
190.10
Appearance:
white or slightly yellow crystalline powder
Quality Standard GB1983-1998(HG/T2826-1997):

Item

Indicators

National Institute of Standards Indicators

industrial

Food Grade

Excellent

First-class

Qualified Products

Food Grade

Main Content

≥97.0

≥97.5

≥96.0

≥94.0

≥92.5

≥96.5

Iron content

≤0.0015

≤0.001

≤0.005

≤0.010

≤0.015

≤0.003

Water-insoluble content

≤0.01

≤0.01

≤0.05

≤0.05

≤0.10

≤0.05

Arsenic conten

≤0.0001

≤0.0001

≤0.0001

-

-

≤0.0005

Applications:
printing and dyeing mordant: antichlor fabric after bleaching; chemical industry, medicine by reducing agent and sulfonating agent; bamboo, wood, paper fiber bleaching agent; non-ferrous metal ore-dressing agent; waste water treatment agent; rubber coagulant; fragrance for industrial use aldehyde fragrance for tibial base; leather industry to do hair removal agent, softener and wear-resistant agent; photographic industry for the reagent, reducing agent, agent fixative protection.
Packing specification:
25/50kg in woven bag with inner double layers plastic bag.

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