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Sodium Metabisulfite Food Grade/Industrial Grade

Views:1     Author:Site Editor     Publish Time: 2020-06-15      Origin:Site

Sodium Metabisulfite Food Grade/Industrial Grade

Molecular Formula: Na2SO3
CAS No: 7681-57-4
HS Code: 28321000

Main Uses:

1) Industrial Grade: Dyeing mordant, dechlorinating agent for washed fabric, medical deoxidizer and sulfonating agent, bone black for bamboo, wood and paper fiber, non-ferrous mineral separation agent, waste water disposing agent, rubber coagulator.

2) Food Grade: Bleaching agent (for sugar, pastry, dried slices of tender bamboo shoots, etc), loosening agent (for bread, biscuit, etc), corrosion protection antiseptic (fruit juice, can, etc), antioxidant (for lily flower, sea food, fruit, vegetable, etc)

Packaging:
25kg/500kg/1000kg/PP bag 

Specification:
Sodium Metabisulphite Industrial Grade 

      ITEM SPECIFICATION TEST RESULT
PURITY (AS Na2S2O5):  97.0% MIN 97.3%
SO2    65.0%MIN      65.5%
HEAVY METAL (AS Pb) :    0.001%MAX      0.0008%
WATER INSOLUBLE  :    0.05%MAX      0.02%
IRON (Fe)  : 0.003%MAX     0.0018%
PH VALUE: 4.0-4.6 4.5


Sodium Metabisulphite Food Grade 

      ITEM SPECIFICATION TEST RESULT
Na2S2O5 content  : 97.0 %min 97.23%
Heavy metals (as Pb) : 0.0005%max 0.0004%
Arsenic (As) : 0.0001%max 0.0001%
Iron (Fe) : 0.0020%max 0.0012%
Water insoluble  : 0.02%max 0.01%
PH Value : 4.0-4.5 4.4





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