Product name:Sodium Sulphide
CAS number:1313-82-2
Molecular Formula:Na2S
Usage:used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
Packing:25kg/bag
|
ITEM |
STANDARD I |
STANDARD II |
STANDARD III |
STANDARD IV |
STANDARD V |
|
Fe |
10ppm max |
30ppm max |
50ppm max |
150ppm max |
1500ppm max |
|
Na2S |
60% min. |
60% min. |
60% min. |
60% min. |
60% min. |
|
Water |
0.03 max |
0.18%max. |
0.18%max. |
0.30%max. |
0.40%max. |
|
Na2CO3 |
1.80%max. |
1.80%max. |
1.80%max. |
3.00%max. |
5.00%max. |
|
Na2SO3 |
1.00%max. |
1.80%max. |
2.00%max. |
2.00%max. |
2.00%max. |
|
Na2S2O3 |
2.00%max. |
2.00%max. |
2.00%max. |
2.00%max. |
2.00%max. |
|
Colour |
Yellow |
Red |
|||
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