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Current:Home » Product Categories » » high purity chemical anhydrous sodium sulphite(Na2SO3) for bleach
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high purity chemical anhydrous sodium sulphite(Na2SO3) for bleach
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Product:
Brand: aa 
Price: 550.00USD/ 
MOQ: 25  
Total supply:
Delivery time: From the date of payment from the buyer within days of delivery
update time: 2016-07-11 05:35  Valid to:Long-term effective
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high purity chemical anhydrous sodium sulphite(Na2SO3) for bleach

 

Appearance: white crystal or powder
Density (g/cm3): 1.561
Solubility: Soluble in water, water solution is alkaline. indissolvable in ethanol
Specification:

 

ITEMS

Premium grade

 

Super grade

First grade

Salable product

Sodium sulfite ( Na2SO3 ) , % ≥

97.0

96.0

93.0

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

/

/

Packing:25kg/pp bag or per customer's request
Application:Used in artificial fiber stabilizer, fabric bleach, photographic contrast extravasation, dye bleaching deoxidizer, spices and dye reductant, paper lignin removal agent.

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