Potassium sulfate 99% 1kg AnalaR ; CAS# 7778-80-5
26997.293
Specification 26997
Potassium sulfate ≥99.0%, AnalaR NORMAPUR® ACS, Pharmaceutical Eur.
| Formula: K₂SO₄ MW: 174.26 g/mol Boiling Pt: 1698 °C (1013 hPa) Melting Pt: 1069 °C Density: 2.66 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number: MFCD00011388 CAS Number: 7778-80-5 EINECS: 231-915-5 UN: 0000 Merck Index: 12,07845 |
| Assay | Min. 99.0 % |
| pH (25°C; 5 %) | 5.5 - 7.5 |
| Heavy metals (as Pb) | Max. 5 ppm |
| Insolubility in water | Max. 100 ppm |
| Total N (Nitr ogen) | Max. 5 ppm |
| Cl (Chlo ride) | Max. 5 ppm |
| As (Arse nic) | Max. 2 ppm |
| Ca (Calc ium) | Max. 50 ppm |
| Fe (Ir on) | Max. 5 ppm |
| Mg (Magn esium) | Max. 20 ppm |
| Na (Sod ium) | Max. 0.02 % |
| Conforms to ACS | Passes test |
| Conforms to Reag. Ph.Eur. | Passes test |
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