|
|
 |
Glauber salt |
 |
Alias: |
Waterless mirabilite,waterless sodium sulfate |
|
Quality standard: |
GB/T6009-92 |
|
Molecular formula: |
Na2SO4 |
|
Molecular weight: |
142.04 |
|
Properties: |
Whtie oblique crystal orpowder, density: 2.68, melting point: 884℃; dissolving in water and the water solution is alkali, dissolving in glycerin and insoluble in alcohol. |
|
Application: |
It can be used to synthesize detergent stuffing, or as digestion liquor of producing sulphate pulp in paper-making industry; in glass industry, it can be used to replace calcined soda. In chemical industry, it can be used to produce sodium sulfide, sodium silicate and other chemical products. |
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Packing, storage and transportation: |
Woven bag lined with plastic film, net weight 50kg; Storing in ventilated and dry warehouse. During storage and transportation, pay attention to damp-proof and rain-proof. |
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Quality standard:
| No. |
Item |
Index(Industrial grade) |
| Ⅰtype |
Ⅱtype |
Ⅲtype |
| Premium grade |
First |
First |
Qualified |
| 1 |
Sodium sulfate(Na2SO4),% = |
99.3 |
99.0 |
98.0 |
95.0 |
90.0 |
| 2 |
Water insoluble,% = |
0.05 |
0.05 |
0.10 |
1.0 |
2.0 |
| 3 |
Calcium-magnesium(calculated Mg),% = |
0.10 |
0.15 |
0.30 |
0.40 |
0.50 |
| 4 |
Chloride(calculated Cl)= |
0.12 |
0.35 |
0.70 |
1.0 |
1.50 |
| 5 |
Iron(Fe),% = |
0.002 |
0.002 |
0.010 |
0.040 |
- |
| 6 |
Moisture,% = |
0.10 |
0.20 |
0.50 |
2.0 |
5.0 |
| 7 |
Whiteness,% = |
80 |
80 |
- |
- |
- |
|
|
