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Guangzhou Zoron Chemicals Technology Co., Ltd 2yr.
Contacts:Mr SuChat
Mobile:86-13480239358
E-mail:Sodium Metabisulfite
Molecular formula: Sodium sulfide2O5
Alias: Sodium Metabisulfite, Potassium Metabisulfite, Sodium Metabisulfite
English Name: Sodium Pyrosulfite
Appearance:White or yellow crystalline powder or small crystals.
CAS NO:7681-57-4
EINECS登录号:231-673-0
HS CODE:2,832,100,000
Characteristics:
With a strong SO2Smells, dissolves in water, and the water solution is acidic.
Test Report:
|
Detection items |
Detection standards |
Detection results |
|
Purity (As Na2S2O5)"≥" is the symbol for "greater than or equal to" in English.% |
97 |
97.5 |
|
Sulfur dioxide (SO2)2)≤ |
65 |
64.8 |
|
Arsenic (As)≤ |
0.0002 percent |
0.0001 percent |
|
Heavy metals (lead-based) |
Less than 0.0005 percent |
0.0004 percent |
|
insoluble in water≤ |
0.02 |
0.01 |
Function:
1. Used as a component of the fixative in the photography industry.
2. Used in electroplating, dyeing, leather making.
3. As a preservative, bleaching agent, and leavening agent in food processing.
Packing:25kg/pack, plastic woven bag packaging.

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