Sodium Thiosulfate Pentahydrate 99%/Sodium Thiosulfate 99%
MIN1.Brief
DescriptionMolecular formula: Na2S2O3CAS: 7772-98-7Appearance:White
powderProperties:Single crystal is inclined white crytallized powder, a proportion of 1.667, soluble in water, alcohol, insoluble in air heating oxidation is decomposed into sodium and sulfur dioxide. In pure oxygen in combustion is generating sodium, method and sulfur.2.
Technical Data SheetItemPhotographic gradeIndustrial gradeAnhydrous
gradeAppearancecolorless transparent crystalcolorless transparent
crystalwhite powderAssay≥ 99.00%≥ 98.5%≥ 97.0%Water Insoluble
matter≤ 0.01%≤ 0.03%≤ 0.03%Sulfide≤ 0.001%≤ 0.003%≤ 0.001%Fe≤
0.001%≤ 0.003%≤ 0.005%PH6.5~9.56.5~9.56.5~9.5Water solution
reactionin accordance with the testin accordance with the
test----Granularity(g/g)12~16------- 3.
Application (1). It is mainly used as fixing agent in
photography industry.(2). It is used as reducing agent of
dichromate in tanning, neutralizer of nitrogen-containing tail gas,
mordant, bleach of wheat straw and wool, and dechlorination agent
in pulp bleaching. It is also used in the manufacture of tetraethyl
lead, dye intermediates and silver extraction from ore.4.Packing
and Loading (1) . Packing : 25kg net/bag or customized
bag .(2) . Loading quantity : 25MT/20'container Any interest
or demand, pls feel free to contact with us . /* January 22,
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