联系人 xu
Hebei Avenue, Tianjin, Tianjin
|
Item |
Specification |
Test result |
Remarkes |
|
PURITY(AS Na2S2O3) |
*7.0%MIN |
*7.*2% |
|
|
APPEARANCE |
WHITE CRYTAL POWDER |
WHITE CTYSTAL POWDER |
|
|
IRON(Fe) |
0.**3%MAX |
0.**2% |
|
|
WATER INSOLUBLE |
0.*2%MAX |
0.*2% |
|
|
FREE ALKALI(Na2CO3) |
0.1%MAX |
0.*9% |
|
|
SODIUM SULFATE(Na2SO4) |
2.5%MAX |
2.3% |
|
|
CHLORIDE(Nacl) |
0.1MAX |
0.1% |
|
|
Item |
Specification |
Test result |
Remarkes |
|
PURITY(AS Na2S2O3) |
*7.0%MIN |
*7.*2% |
|
|
APPEARANCE |
WHITE CRYTAL POWDER |
WHITE CTYSTAL POWDER |
|
|
IRON(Fe) |
0.**3%MAX |
0.**2% |
|
|
WATER INSOLUBLE |
0.*2%MAX |
0.*2% |
|
|
FREE ALKALI(Na2CO3) |
0.1%MAX |
0.*9% |
|
|
SODIUM SULFATE(Na2SO4) |
2.5%MAX |
2.3% |
|
|
CHLORIDE(Nacl) |
0.1MAX |
0.1% |
|
|
Sodium sulfite anhydrous *7%min |
||
|
Quality standard: |
GB***4—***5 |
|
|
Molecular formula: |
Na2SO3 |
|
|
Relative molecular weight: |
**6.*4 |
|
|
Property: |
white crystal or powder; pH of aqueous solution: **9.5, At *3.4oC,it solubility is *8%. Density: 2.**3(*5.4oC), refracitive index: 1.**5; Molecular weight**6.*4. |
|
|
Use: |
Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries. |
|
|
Item |
Specification |
Test result |
Remarkes |
|
PURITY(AS Na2S2O3) |
*7.0%MIN |
*7.*2% |
|
|
APPEARANCE |
WHITE CRYTAL POWDER |
WHITE CTYSTAL POWDER |
|
|
IRON(Fe) |
0.**3%MAX |
0.**2% |
|
|
WATER INSOLUBLE |
0.*2%MAX |
0.*2% |
|
|
FREE ALKALI(Na2CO3) |
0.1%MAX |
0.*9% |
|
|
SODIUM SULFATE(Na2SO4) |
2.5%MAX |
2.3% |
|
|
CHLORIDE(Nacl) |
0.1MAX |
0.1% |
|
|
Sodium sulfite anhydrous *7%min |
||
|
Quality standard: |
GB***4—***5 |
|
|
Molecular formula: |
Na2SO3 |
|
|
Relative molecular weight: |
**6.*4 |
|
|
Property: |
white crystal or powder; pH of aqueous solution: **9.5, At *3.4oC,it solubility is *8%. Density: 2.**3(*5.4oC), refracitive index: 1.**5; Molecular weight**6.*4. |
|
|
Use: |
Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries. |
|
|
Item |
Specification |
Test result |
Remarkes |
|
PURITY(AS Na2S2O3) |
*7.0%MIN |
*7.*2% |
|
|
APPEARANCE |
WHITE CRYTAL POWDER |
WHITE CTYSTAL POWDER |
|
|
IRON(Fe) |
0.**3%MAX |
0.**2% |
|
|
WATER INSOLUBLE |
0.*2%MAX |
0.*2% |
|
|
FREE ALKALI(Na2CO3) |
0.1%MAX |
0.*9% |
|
|
SODIUM SULFATE(Na2SO4) |
2.5%MAX |
2.3% |
|
|
CHLORIDE(Nacl) |
0.1MAX |
0.1% |
|
| 国家: | China |
| 型号: | Na2SO3 |
| 离岸价格: | 获取最新报价 |
| 位置: | - |
| 最小订单价格: | - |
| 最小订单: | 5 Ton |
| 包装细节: | - |
| 交货时间: | - |
| 供应能力: | 3000 Ton per Month |
| 付款方式: | T/T, L/C |
| 產品組 : | - |
