Brand: weichuang
Model: 99
Min. Order: 10吨
SODIUM THIOSULPHATE
technical grade
Photography level
Application: used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent


Package: 25kg / 50kg compound plastic woven bag with inner polythene liner; 1000kg Jumbo bags ,Any other particular requirements to the package can be discussed.

Shelf Life : one year

Storage & handling:Store the product in a cool and dry place ; prevent from direct sunlight , water and moisture ; avoid contact with strong acid,oxidants .Do not stores it for long time.

Product Specification:



Photo grade

Tech grade

Anhydrous

appearance

Colorless transparent crystal

Colorless transparent crystal

White powder

Na2S2O3

> 99.0%

> 98.5%

> 97.0%

Water insoluble matter

< 0.01%

< 0.03%

< 0.03%

sulfide

< 0.001%

< 0.003%

< 0.001%

iron

< 0.001%

< 0.003%

< 0.005%

PH

6.5-9.5

6.5-9.5

6.5-9.5

Water solution reaction

Pass test

Pass test

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Granularity(g/g)

12-16

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