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Leverandør: VWR Chemicals
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Synonymer: Metaphosphoric acid

20632.236EA 750 NOK
20632.236 20632.293
meta-Fosforsyre, klumper, AnalaR NORMAPUR® analytisk reagens
meta-Fosforsyre

Mixture of metaphosphoric acid and sodium metaphosphate (NaPO3 : 56 to 60%)

Formel: (HPO₃)n
MW: 79,98 g/mol
Kokepunkt: 260 °C (1013 hPa)
Smeltepunkt: 21 °C
Tetthet: 2,4 g/cm³ (20 °C)
Lagringstemperatur: Romtemperatur
MDL nummer: MFCD00011351
CAS-nummer: 37267-86-0
EINECS: 253-433-4
FN: 3260
ADR: 8,III

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Spesifikasjon Testresultater

Assay (calculated as HPO3) (39-45 %) Passes test
Assay (calculated as NaPO3) (55-61 %) Passes test
Heavy metals (as Pb) Max. 20 ppm
Substances reducing KMnO4 (as H3PO3) Max. 100 ppm
Cl (Chloride) Max. 20 ppm
SO4 (Sulphate) Max. 100 ppm
As (Arsenic) Max. 5 ppm
Ca (Calcium) Max. 100 ppm
Fe (Iron) Max. 10 ppm
Mn (Manganese) Max. 5 ppm

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