USD $100.00-150.00 / Kilogram
USD $3.00-10.00 / Kilogram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
USD $10.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $6.00-9.00 / Gram
USD $3.00-10.00 / Kilogram
china supplier sodium sulphate anhydrous and decahydrate with cas no:7757-82-6
1.appearance: white powder
2.purity: % 99min
3.ph :7-10 for normal grade. ph:6-8 for viscose grade.
4.properties: white fine crystal or powder, easily soluble in water; absorb moisture; odorless, non-toxic.
1.specifications:
item |
gb6009-2003 |
actual measurement value of regular products |
actual measurement value of of neutral products |
actual measurement value of low-chlorine products |
sodium sulphate %(na2so4) |
≥99.0 |
99.20 |
99.30 |
99.65 |
water insolubles % |
≤0.05 |
0.02 |
0.03 |
0.01 |
mg % |
≤0.15 |
0.02 |
0.02 |
0.02 |
chlorides %(cl) |
≤0.35 |
0.19 |
0.20 |
0.04 |
iron %(fe) |
≤0.002 |
0.001 |
0.001 |
0.001 |
moisture % |
≤0.20 |
0.02 |
0.02 |
0.02 |
whiteness % |
≥80 |
88 |
85 |
83 |
ph-value |
not required |
not required |
(1% solution)7.5 |
(5% solution)7.2 |
2.application of sodium sulphate anhydrous
for the preparation of sodium sulfide, pulp, glass, water glass, enamel, also used as a laxative
and barium salt poisoning antidote. it is with salt and sulfuric acid manufacture of hydrochloric
acid by-product. chemical used in the manufacture of sodium sulfide, sodium silicate. laboratory
used to wash the barium salt. industry used to making caustic soda and sulfuric acid , also used
for paper, glass, printing and dyeing, synthetic fibers, leather etc.. in organic synthesis in the l
aboratory of sodium sulfate is one of the most commonly used after processing desiccant.
it is widely used in industries such as synthetic detergents, vinylon, dye and dyeing, glass, pharmaceuticals, leather and rubber.