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97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

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97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

Brand Name : Y&X

Model Number : Sodium Metabisulfite

Certification : ISO9001

Place of Origin : China

MOQ : 1

Price : US$ 2500-40000/piece

Payment Terms : T/T

Type : Sodium Metabisulfite

Grade : Food Industrial Grade

Purity : ≥90%

Appearance : White Powder

Color : White

Transport Package : Plastic Woven Bag with PE Liner

Trademark : Y&X

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High Purity White Powder CAS 7681-57-4 Sodium Metabisulfite

Product Description: Supply CAS No. 7681-57-4 Sodium Metabisulfite for Industrial Grade

Sodium Metabisulfite
Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservative agent.

Product Informations:

CAS No.	7681-57-4
EINECE	231-673-0
HS CODE	2832100000
MOLECULAR FORMULA	Na2S2O5

Specifications:
1) Food Grade

Items		Specifications	Typical Analysis
Colour	/	White or yellowish	White
State	/	Crystalline powder	Crystalline powder
Na2S2O5	(%)	96.5 Min.	97.1
Fe	(%)	0.003 Max	0.0021
Clarity	/	Passed	Passed
As	(ppm)	1.0 Max	0.85
Heavy Metal(as Pb)	(ppm)	5.0 Max	0.04

2) Industrail Grade

Items		Specifications	Typical Analysis
Na2S2O5	(%)	96.5 Min.	96.83
Fe	(%)	0.003 Max	0.0006
As	(ppm)	1.0 Max	0.8
Heavy Metal(as Pb)	(ppm)	5.0 Max	2.0

Technical Specification

Tests	Specification
Appearance	White free-flowing Crystal Powder
Purity (Na2S2O5)	97% min
Iron (Fe)	0.003% min
Heavy Metal (Pb)	5 ppm max
Arsenic (As)	1 ppm max
Water Insoluble	0.05% max
PH Value	4.0-4.6

Packing
25kgs/PP PE BAG

Storage and Transportation
kept in a light-proof,well-colsed,dry and cool place.

97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

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