meta-Fosforsyra, klumpar , AnalaR NORMAPUR® analytiskt reagens
Leverantör: VWR Chemicals
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Fara
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Synonyms:
Metaphosphoric acid
20632.236EA
1275
SEK
20632.236
20632.293
meta-Fosforsyra, klumpar , AnalaR NORMAPUR® analytiskt reagens
meta-Fosforsyra
Mixture of metaphosphoric acid and sodium metaphosphate (NaPO3 : 56 to 60%)
Formel:
(HPO₃)n MW: 79,98 g/mol Kokpunkt: 260 °C (1013 hPa) Smältpunkt: 21 °C Densitet: 2,4 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00011351 CAS nummer: 37267-86-0 EINECS: 253-433-4 UN: 3260 ADR: 8,III |
Specifikation testresultat
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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