meta-Phosphoric acid, lumps, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

20632.293EA 379 EUR
20632.293 20632.236
meta-Phosphoric acid, lumps, AnalaR NORMAPUR® analytical reagent
meta-Phosphoric acid

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

Formula: (HPO₃)n
MW: 79,98 g/mol
Boiling Pt: 260 °C (1013 hPa)
Melting Pt: 21 °C
Density: 2,4 g/cm³ (20 °C)
MDL Number: MFCD00011351
CAS Number: 37267-86-0
UN: 3260
ADR: 8,III

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Specification Test Results

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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