sodium sulfite anhydrous

sodium sulfite anhydrous

  • Description

Product Name : sodium sulfite anhydrous

Chemical Name : sodium sulfite anhydrous

CAS No.: 7757-83-7

Appearance : white crystalline powder .

Molecular formula : Na2SO3

Packing : double-layer plastic woven bag.

Uses : used in medicine, papermaking, tannage, leather, printing, dyeing, bleaching and food .

Quality standard : Q/320124JM02-2003

 

Index name

Premium grade

Super grade

First grade

Salable product

Industrial grade

Sodium sulfite ( Na2SO3 ),% ≥

97.0

96.0

93.0

90.0

Fe,%≤

0.003

0.005

0.01

/

Water insoluble matter,% ≤

0.02

0.03

0.05

/

Free alkali ( as Na2SO3 ),% ≤

0.10

0.40

0.60

/

Na2SO4,% ≤

2.50

/

/

/

NaCl,% ≤

0.10

/

/

/

sodium sulfite anhydrous
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