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TNN Pure white mordant Sodium metabisulfite Food Grade
TNN Pure white mordant Sodium metabisulfite Food Grade





Categories | Fine chemicals & Intermediates |
---|---|
Album | View larger image |
Brand | TNN |
Update Time | 2021-04-12 |
Detail Information
Product Parameter
Item
|
Standard
|
|
CONTENT (AS Na2S2O5) | 97% MIN | |
IRON (Fe) | 0.003%MAX | |
CLARITY
|
PASS |
|
HEAVY METALS(As Pb)
|
0.0005%MAX
|
|
ARSENIC
|
0.0001%MAX
|
|
WATER INSOLUBLE | 0.05%MAX | |
PH VALUE | 4.0-4.6 |

Type: Sodium Sulphate
CAS No.:7681-57-4
MF: Na2S2O5
EINECS No.:231-673-0
Place of Origin: China (Mainland)
Grade Standard: Food Grade, Industrial Grade
Purity: 97%min
Application: Bleach, mordant
Brand Name: TNN
Na2S2O5: 97.35%
Packing & Delivery


Application
A. Sodium metabisulfite food grade apply in Bleacher(Sweet,pastry,water-soaked bamboo slices,etc.)loosening agent (bread,biscuit,etc.); corrosion resistance antiseptic(fruit juice,can,brewing, grain storage,etc.)antioxygen antistaling agent(acupuncture needle sprout,sea food, garden stuff,etc.)
B. Sodium metabisulfite tech grade, use as Printing and dyeing mordant; antichlor in after fabric bleaching
;chemical and medicine reducer and sulfonating agent; bleaching agent of bamboo, wood and paper fiber; nonferrous metal dressing agent; waste water finishing agent; rubber coagulator; alkyl spice aldehyde in spice industry; depilating agent, softening agent and anti-wear agent in leather industry; reducer of developer and protective agent of fixative in sensitization industry.
C. Sodium metabisulfite is also used in floating agent in Copper Mining.
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