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連絡先担当者 mellisa
Shijiazhuang, Hebei
Classification: Sulphate
Type: Sodium Thiosulfate
CAS No.: ********7
Other Names: Sodium hypo
MF: Na2S2O2 5H2O
Purity: *8%
Appearance: crystal
Model Number: *9%
crystal: colorless
Packaging & Delivery
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Packaging Detail: |
*5kg plastic woven bags or others |
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Delivery Detail: |
prompt |
Property:Single crystal is white crytallized powder, 1.**7 proportion, soluble in water, alcohol, in air heating is decomposed into sodium and sulfur dioxide oxidation. In the air (oxygen from the burning LiuHuaJian, produce and sulfur
Application:Mainly used for fixing agent photography industry. Secondly as tanning time chromate salt reductants and nitrogen exhaust of neutralizers, salt, wheat and hair bleach and pulp bleaching agent of chlorine when. Also used for tetraethyl lead, dye intermediates, etc and ore mention silver etc.
Specification:
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Item
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Photo grade |
Tech grade |
Anhydrous grade |
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Appearance |
Colorlesstransparent crystal |
Colorlesstransparent crystal |
White power |
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Assy |
≥*9.*0% |
≥*8.5% |
≥*8.0% |
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Waterinsoluble |
≤0.*1% |
≤0.*3% |
≤0.*3% |
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Sulfide |
≤0.**1% |
≤0.**3% |
≤0.**3% |
|
Fe |
≤0.**1% |
≤0.**3% |
