China Sodium Sulfide Na2s Plant, Find details about China 60 Sodium Sulfide 30ppm, Sodium Sulfide Price from Sodium Sulfide Na2s Plant
sodium sulfide na2s plant
Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells like rotten eggs.
Molecular Formula:Na2S
CAS No. : 1313-82-2
EINICS NO.: 215-211-5
HS: 2830101000
UN No.:1849
HAZARD CLASS: 8
Purity: 52% 60%
Appearance: White to yellow crystals; light tan, yellow, or brick-red lumps or flakes
Grade Standard: Industrial Grade.
Specifications:
Fe | Na2S | Water insoluble | Na2CO3 | Na2SO3 | Na2S2O3 | Color |
15ppm Max | 60%min. | 0.05%max | 1.80%max | 1.80%Max | 2.00%max | Yellow |
20ppm Max | 60%min. | 0.10%max | 1.80%max | 1.80%Max | 2.00%max | Yellow |
30ppm Max | 60%min. | 0.18%max | 1.80%max | 1.80%max | 2.00%max | Yellow |
50ppm Max | 60%min | 0.18%max | 1.80%max | 2.00%max | 2.00%max | Yellow |
80ppm Max | 60%min | 0.20%max | 2.00%max | 2.00%max | 2.00%max | Yellow |
150ppm Max | 60%min | 0.30%max | 3.00%max | 2.00%max | 2.00%max | Yellow |
1500ppm Max | 60%min | 0.40%max | 5.00%max | 2.00%max | 2.00%max | Red |
Applications:
Sodium sulfide is primarily used in the kraft process in the pulp and paper industry.
It is 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; and in the leather trade for the sulfitisation of tanning extracts.
It is used in chemical manufacturing as a sulfonation and sulfomethylation agent.
It is used in the production of rubber chemicals, sulfur dyes and other chemical compounds.
It is used in other applications including ore flotation, oil recovery, making dyes, and detergent. It is also used during leather processing, as an unhairing agent in the liming operation.
Package: 25KG bags, 22-25MT/20GP. 1000KG bag, 20MT/20GP.SGS/CIQ/BV inspection are accetpable
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