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What is the specific application of sodium sulfide in the printing and dyeing industry?

SPECIFICATION

Model

10PPM

30PPM

90PPM-150PPM

Na2S

60% min

60% min

60% min

Na2CO3

2.0% max

2.0% max

3.0% max

Water  Insoluble

0.2%max

0.2%max

0.2%max

Fe

0.001%max

0.003%max

0.008%max-0.015%max

usage

Used in Leather or tanning for removing hair from hides and skins.

 used in synthetic organic intermediate and preparation of sulfur dye additives .

In textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent

used in pulp and paper industry.

Used in water treatment as an oxygen scavenger agent.

Used in mining industry as inhibitor , curing agent , removing agent

OTHER USED

♦ In the photographic industry to protect developer solutions from oxidation.
♦ It is used in the production of rubber chemicals and other chemical compounds.
♦ It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent.

SODIUM SULPHIDE HANDLING AND STORAGE

Precautions for safe handling: Operators must receive special training, strictly abide by the operationprocedures. Suggest operators wear self suction filter gas mask, eye protection, protective clothing, rubbergloves. Avoid contact with eyes, skin and clothing. Keep ambient air flowing when operating. Keep away fromsparks, heat. No smoking. Keep containers closed when not in use, Equipped with corresponding varieties andnumber of fire equipment and spill contingency processing equipment.Conditions for safe storage: Store in a cool, dry, and well ventilated warehouse. Stay away from sources of fire, heat, and direct sunlight. Pay attention to moisture and rain. Keep the container sealed. lt should be storedseparately from strong, oxidants and acids, and avoid mixing storage and transportation. Prevent physicaldamage to the container and regularly check for leaks. The storage area should be equipped with emergencyresponse equipment for leaks and suitable containment materials.


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