Water Treatment Chemicals
1313-82-2
CAS No. |
1313-82-2 |
HS Code |
2830101000 |
25kg plastic bag, 1000kg bulk bag
20’GP: 25kg plastic bag: 25MTS without pallets
1000kg bulk bag: 20MTS without pallets
Appearance |
Reddish-Brown in Flakes |
Sodium Sulfide (Na2S), % |
≥60.0 |
Iron (Fe), % |
≤0.015 |
Water Insoluble Substance, % |
≤0.15 |
Sodium Thiosulphate (Na2S2O3), % |
----- |
Sodium Sulfite (Na2SO3) % |
----- |
Sodium Carbonate (Na2CO3), % |
≤3.5 |
Appearance | Reddish-Brown in Flakes |
Sodium Sulfide (Na2S), % | ≥60.0 |
Iron (Fe), % | ≤0.02 |
Water Insoluble Substance, % | ≤0.1 |
Sodium Thiosulphate (Na2S2O3), % | ≤3 |
Sodium Sulfite (Na2SO3) % | ≤1 |
Sodium Carbonate (Na2CO3), % | ≤5 |
Appearance |
Yellow in Flakes |
Sodium Sulfide (Na2S), % | ≥60.0 |
Iron (Fe), % | ≤0.002 |
Water Insoluble Substance, % | ≤0.05 |
Sodium Thiosulphate (Na2S2O3), % | ≤2.5 |
Sodium Sulfite (Na2SO3) % | ≤1 |
Sodium Carbonate (Na2CO3), % | ≤2 |
Used as a beneficiation agent in copper mines.
Used in the kraft process in the pulp and paper industry.
Used in water treatment as an oxygen scavenger agent and also as a metals precipitant.
In chemical photography for toning black and white photographs.
In the textile industry as a bleaching agent, for desulfurising and as a dechlorinating agent.
Used in chemical manufacturing as a sulfonation and sulfomethylation agent.
Used in the production of rubber chemicals, sulfur dyes and other chemical compounds.
Used during leather processing, as an unhairing agent in the liming operation.