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| Sodium sulphate, technical grade
Na2SO4
GOST 6318-77 TU 113-07-61-05-89
- Appearance:
GOST 6318-77 Mark A Powder or granules of white and grey colour.
Mark B Powder of white colour, grey colour is admissible
TU 113-07-61-05-89 Granules of white and grey colour.
- Package:
Soft containers " big- bags", net weight 500 kg. Sodium sulphate can be delivered in bulk.
- Fields of application:
- glass industry;
- chemical industry;
- pulp and paper industry;
- detergents production ;
- Storage:
GOST 6318-77 Store in dry, protected ware-houses. Storage period is 6 months from the date of production
TU 113-07-61-05-89 Storage period is unlimited.
Specifications
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GOST 6318-77 |
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| Mark A |
| Fraction of total mass, % |
|
TU |
Best quality |
1 sort |
2 sort |
Mark B |
| - sodium sulphate (Na2SO4) |
min |
90,0
| 99,4 |
98,0
| 97,0
| 94,0 |
| - Substances insoluble in water |
max |
8,0
| 0,4 |
0,9
| 1,2
| 4,5 |
| - Chlorides in terms of sodium chloride (NaCl) |
max |
1,0
| 0,2 |
0,7
| 1,2
| 2,0 |
| - CaSO4 |
max |
-
| - |
-
| -
| 1,0 |
| - Mg²+ |
max |
| 0,02 |
0,1
| 0,2
| non
rated |
| - Ferrum in terms of Fe2O3 |
max |
| 0,010 |
0,015
| 0,03
| 0,03 |
|
- water |
max |
| 0,1 |
1,0
| 4,0
| 7,0 |
| - Free sulphuric acid
| max
| traces
|
|
|
|
|
| - Grain size 1,0-5,0 mm |
min |
94,0
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Sodium sulphate, technical grade |
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