Sodium sulfate decahydrate, Pharmpur®, Ph Eur, BP, USP
- Synonyms: Glauber's salt
- Na2SO4·10H2O
- M = 322,19 g/mol
- CAS [7727-73-3]
- EINECS-No.: 231-820-9
- Solub. in water: (20 ºC): ~ 900 g/l
- Melting point: 32,4 ºC
- Boiling point: > 890 ºC (anhydrous substance, decomposes)
- Tariff number: 2833 11 00 00
- Applications: analytical chemistry, laboratory reagent, in food industry (E 514), manufacture of dyes, in pharma industry.
SPECIFICATIONS
assay (titrimetric, on dried sample): 98,5 - 101,0 %
assay (gravimetric, on dried sample): min. 99 %
Identification sodium: passes test
Identification sulfates: passes test
appearance of solution: clear and colourless
acidity or alkalinity: passes test
chlorides (Cl): max. 200 ppm
calcium (Ca): max. 200 ppm
iron (Fe): max. 40 ppm
magnesium (Mg): max. 100 ppm:
loss on drying (130 ºC): 52,0 - 57,0 %
loss on drying (105 °C, 4h) : 51,0 - 57,0 %
| Reference | Volume | ||
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SO0671005P | x 5 kg |
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SO0671025P | x 25 kg |
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SO06710500 | x 500 g |
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SO06711000 | x 1 kg |
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