Potassio solfato, per analisi, ExpertQ®, ACS, ISO, Reag. Ph Eur
- Synonyms: Sulfuric acid potassium salt
- K2SO4
- M = 174,27 g/mol
- CAS [7778-80-5]
- EINECS-No.: 231-915-5
- Solub. in water: (20 ºC): 110 g/l
- Melting point: 1069 ºC
- Boiling point: 1689 ºC
- LD 50 (oral, rat): 6600 mg/kg
- Tariff number: 3104 30 00 00
- Applications: analytical chemistry, laboratory reagent, for determination of: nitrogen (Kjeldahl), in fertilizer compositions, manufacture of glass.
SPECIFICATIONS
assay (acidimetric): min. 99,0 %
identity (IR-spectrum): passes test
insoluble in water: max. 0,01 %
pH (5 %, H2O): 5,5 - 8,0
chlorides (Cl): max. 5 ppm
total nitrogen (as N): max. 5 ppm
arsenic (As): max. 2 ppm
calcium (Ca): max. 0,005 %
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 5 ppm
magnesium (Mg): max. 0,002 %
sodium (Na): max. 0,02 %
| Codice | Volume | ||
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PO0365005P | x 5 kg |
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PO03650250 | x 250 g |
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PO03650500 | x 500 g |
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PO03651000 | x 1 kg |
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