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Sodium Hyposulphite 99.0%Min
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Product Description
Sodium Thiosulphate/Sodium Hyposulphite
Molecular formular: Na2S2O3. 5H2O
Specification: HG/T 2328-92
Items index
I II
A B C D
Na2S2O3, %, 99. 0 99. 0 99. 0 98. 0
Insolubles in water, %, 0. 01 0. 01 0. 01 0. 03
Na2S, %, 0. 001 0. 001 0. 001 0. 003
Fe, %, 0. 002 0. 002 0. 002 0. 003
Particle size (grain/gram) 15-18 18-35 35-50 As required
pH value (200g/L solution) 6. 5-9. 5
Packing: 25kg / 50kg net each in P. P woven bag lined with P. E bag;
Property: Colorless and transparent columnar crystal; dissolving in water but insoluble in ethanol; having strong reduction; easily being efflorescent when the air temperature gets higher than 33oC and could be deliquescent in the moist air;
Uses: Mainly used for photography, electroplating, tanning, bleaching, disinfectant industries and so on;
| Company: | Xinxiang Vet Chempharm Co., Ltd. |
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