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Disíran didraselný 97,5, AnalaR NORMAPUR® ACS zA

Dodávateľ: VWR Chemicals
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Synonymá: Potassium disulphate (Potassium pyrosulphate), Dipotassium disulphate, Potassium pyrosulphate

86198.230EA 108.15 EUR
86198.230 86198.290 86198.360 86198.460
Disíran didraselný 97,5, AnalaR NORMAPUR® ACS zA
Disíran didraselný
Vzorec: K₂O₇S₂
Mw: 254.32
Teplota tavenia: 335 °C
Hustota: 2.280 g/cm3 (20 °C)
Skladovacia teplota: Ambient
Číslo MDL: MFCD00011385
Číslo CAS: 7790-62-7
EINECS: 232-216-8
OSN: 2923
ADR: 8 (6.1) I
Merck Index: 13,07749

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Výsledky špecifikačného testu

Assay (acidimetric) 97.5 - 100.0%
Appearance White granules
Acidity (as H2SO4) 37.5 - 38.6%
Heavy metals (as Pb) max. 10 ppm
Insoluble and ny NH4OH precipitated matter max. 100 ppm
Total N (Nitrogen) max. 20 ppm
Water max. 2.5%
Cl (Chloride) max. 5 ppm
PO4 (Phosphate) max. 10 ppm
Al (Aluminium) max. 10 ppm
As (Arsenic) max. 5 ppm
Ca (Calcium) max. 20 ppm
Fe (Iron) max. 5 ppm
Mg (Magnesium) max. 5 ppm
Na (Sodium) max. 100 ppm
Conform to ACS passes test


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