Kaliumdisulfat, EMSURE® ACS zur Analyse, Supelco®
Lieferant: Merck
|
Gefahr
|
Synonyme:
di-Kaliumdisulfat
, Kaliumpyrosulfat
M-Clarity™ Qualitätsstufe = MQ300
1.05107.1000EA
218
EUR
1.05107.1000
1.05107.9050
1.05107.9999
1.05107.5000
Kaliumdisulfat, EMSURE® ACS zur Analyse, Supelco®
Kaliumdisulfat
Formel:
K₂O₇S₂ Molecular Weight: 254,32 g/mol Schmelzpunkt: ∼325 °C Dichte: 2,51 g/cm³ (20 °C) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00011385 CAS-Nummer: 7790-62-7 EINECS: 232-216-8 UN: 2923 ADR: 8 (6.1),I Merck Index: 13,07749 |
Spezifikation Testergebnisse
Assay (acidimetric, as K₂S₂O₇) | 97.5 - 100.0 % |
Acidity (as H₂SO₄) | 37.5 - 38.6 % |
Insoluble and by ammoniumhydroxide precipitated matter | ≤ 0.01 % |
Chloride (Cl) | ≤ 0.0005 % |
Phosphate (PO₄) | ≤ 0.001 % |
Total nitrogen (N) | ≤ 0.002 % |
Heavy metals (as Pb) | ≤ 0.001 % |
Al (Aluminium) | ≤ 0.001 % |
As (Arsenic) | ≤ 0.0005 % |
Ca (Calcium) | ≤ 0.002 % |
Fe (Iron) | ≤ 0.0005 % |
Mg (Magnesium) | ≤ 0.0005 % |
Na (Sodium) | ≤ 0.01 % |
Water (H₂O) | ≤ 2.5 % |
Conforms ACS |
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