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Kyselina metafosforečná, lumps, AnalaR NORMAPUR® analytical reagent

Dodávateľ: VWR Chemicals
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20632.236EA 117.93 EUR
20632.236 20632.293
Kyselina metafosforečná, lumps, AnalaR NORMAPUR® analytical reagent
Kyselina metafosforečná

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

Vzorec: (HPO₃)n
Teplota varu: 260 °C (1013 hPa)
Teplota tavenia: 21 °C
Hustota: 2,4 g/cm³ (20 °C)
Skladovacia teplota: Ambient
Číslo MDL: MFCD00011351
Číslo CAS: 37267-86-0
EINECS: 253-433-4
OSN: 3260
ADR: 8,III

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Výsledky špecifikačného testu

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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