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Potasu disiarczan, EMSURE® ACS for analysis, Supelco®

Dostawca: Merck
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Synonim: disiarczan (VI) dipotasu

M-Clarity™ quality level = MQ300

1.05107.1000 1.05107.5000 1.05107.9050
1.05107.1000EA 869 PLN
1.05107.1000 1.05107.5000 1.05107.9050
Potasu disiarczan, EMSURE® ACS for analysis, Supelco®
Potasu disiarczan
Formuła: K₂O₇S₂
MW: 254.32 g/mol
Temp. topnienia: ∼325 °C
Gęstość: 2.51 g/cm³ (20 °C)
Temperatura przechowywania: Temperatura otoczenia
Numer MDL: MFCD00011385
Numer CAS: 7790-62-7
Numer WE (dawny EINECS): 232-216-8
Jednostka: 2923
ADR: 8 (6.1) I
Klasyfikacja Merck : 13,07749

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Wyniki testów specyfikacyjnych

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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