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Sodium Sulphate Anhydrous
CAS:7778-18-9
ENCISEN:231-900-3
MF:CaSO4
Appeaance:White monoclinic crystalls or crystal powder
Application:Hygroscopic agent, coating, synthetic ivory, paint, paper making, dyestuff, printing,
metallurgy, water processing.As food additives and processing AIDS, drugs.
Usages:
1.Used as building materials and cement raw material;
2.Widely used in rubber, plastics, fertilizers, pesticides, paint, textile, food, pharmaceutical, paper
making, daily chemical, arts and crafts, cultural and educational departments and so on;
3.In the absence of sulfur resources areas, could be used in the manufacture of sulfuric acid
and ammonium sulfate.Colorless transparent gypsum can make optical material;
4.To be used in the raw material of cement, half water calcium sulfate and sulfuric acid.Paint
and used as filler in papermaking industry;
5.In the agriculture to be used as fertilizer, to reduce the soil alkalinity, improve soil
properties.Also used as a group of canned tomatoes, potatoes, enhancer, brewing water
curing agent, the wine flavor enhancer, etc;
6.To be used in All kinds of building materials, cement production with the production models,
and medical used plaster bandage.
7.In addition, can also be used to adjust the setting time of cement, white paint used as paint,
paper packing and polishing powder, is also a kind of common desiccant.Also used in
metallurgy and agriculture, etc.
8.It has used for bread improver.
Specification of Food Grade:
Items |
Standards |
CASO4 (%) |
98 Min |
fluoride(%) |
0.003 Max |
As(%) |
0.0002 Max |
Pb(%) |
0.0002 Max |
Loss on drying quality scores(%) |
19.0-23.0 |
Se(%) |
0.003 Max |
Selenium |
0.003%max. |
Heavy metals |
0.01max. |
Lead (Pb) |
0.002 max. |
Sodium Sulfate Anhydrous:
ITEM |
STANDARD |
||
sodium sulphate %(Na2SO4) |
99.5 MIN. |
99.0 MIN. |
99.0 MIN. |
water insolubles % |
0.01 MAX. |
0.05 MAX. |
0.05 MAX. |
Ca + Mg (as Mg) % |
0.03 MAX. |
0.15 MAX. |
0.15 MAX. |
chlorides %(Cl) |
0.07 MAX. |
0.35 MAX. |
0.35 MAX. |
iron %(Fe) |
0.002 MAX. |
0.002 MAX. |
0.002 MAX. |
moisture % |
0.20 MAX. |
0.20 MAX. |
0.20 MAX. |
whiteness % |
85 MIN. |
82 MIN. |
82 MIN. |
PH-value |
6-7.5 |
6-8 |
9-11 |
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