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Sodium sulphate decahydrate
Na2 SO4 · 10H2O
GOST 4171-76
- Appearance:
Water soluble colourless crystals, lightly airing.
- Package:
polypropylene bags, net weight 35 kg.
- Fields of Application:
- laboratory;
- medicine (Glaubers salts);
- chemical industry;
- tanning industry;
- pulp-and-paper industry;
- textile industry;
- soap industry.
- Storage:
Store in protected ware-houses in a package suggested by a
manfacturer. Guarantee storage period is 1 year from the date of productioin.
Specifications
| Fraction of total mass, % |
|
CH.P. |
P.A. |
P. |
| - sodium sulphate decahydrate (Na2SO4 · 10H2O) |
min |
99-102 |
99-102 |
98-102 |
| - substances insoluble in water |
max |
0,002 |
0,002 |
0,01 |
| - ammonia (NH4) |
max |
0,0002 |
0,0005 |
0,002 |
| - nitrates (NO3) |
max |
0,0005 |
0,0005 |
0,002 |
| - phosphates (PO4) |
max |
0,0003 |
0,001 |
0,002 |
| - chlorides (Cl) |
max |
0,0003 |
0,0005 |
0,002 |
| - ferrum (Fe) |
max |
0,0001 |
0,0001 |
0,0008 |
| - magnesium (Mg) |
max |
0,0005 |
0,001 |
0,002 |
| - potassium (K) |
max |
0,002 |
0,005 |
non rated |
| - calcium (Ca) |
max |
0,001 |
0,001 |
0,005 |
| - arsenic (As) |
max |
0,00004 |
0,00004 |
0,0003 |
| - heavy metals (Pb) |
max |
0,0001 |
0,0001 |
0,002 |
| - substances reducing iodine |
max |
0,0008 |
non rated |
non rated |
| pH of 5% Solution |
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5-8 |
5-8 |
5-8 |
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Sodium sulphate decahydrate |
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