South Africa
联系人 Mr. Subusiso
Mafole, Johannesburg, Ventersdorp
CAS Number: ********7
[ Molecular Formula ]: Na2SO3
[ Molecular Weight ]:**6.*4
[ Appearance ]:
white crystal powder or granule, taste salt and with sulphur odor.
Easily soluble in water, slightly soluble in ethanol. Very easily
oxidize as Sodium Sulphate when open in the air. Decompose when
meet inorganic acid and give out the gas of sulfur dioxide.
[ Specification ]:
|
Item
|
superior |
first grade |
second grade |
|
Na2SO3 |
*7.0% min |
*6.0% min |
*3.0% min |
|
Na2SO4 |
2.5% max |
- |
- |
|
Fe |
0.**3% max |
0.**5% max |
0.*1% max |
|
Water insoluble |
0.*2% max |
0.*3% max |
0.*5% max |
|
Free alkali |
0.*0% max |
0.*0% max |
0.*0% max |
|
Heavy metals(as Pb ) |
0.**2% max |
- |
- |
|
As |
0.***2% max |
- |
- |
[ Applications ]:This product is mainly used for
producing photographic developer, anticorrosive agent for food,
bleaching agent for medicinal herbs,etc. And is also used for
producing sodium thiosulphate.
[ Packing ]:in *5 kg net plastic woven bag.
| 国家: | South Africa |
| 型号: | - |
| 离岸价格: | 300 ~ 320 / Metric Ton 获取最新报价 |
| 位置: | - |
| 最小订单价格: | 300 per Metric Ton |
| 最小订单: | 25 Metric Ton |
| 包装细节: | 25kg/50kg |
| 交货时间: | 21 - 25 days |
| 供应能力: | 3000 Metric Ton per Month |
| 付款方式: | D/A, T/T |
| 產品組 : | Food addictives |
