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Polyvinylpyrrolidone, M.W. 44000 - 54000 (av) Ph. Eur. (K30)

Fournisseur: VWR Chemicals

26617.291EA 321 EUR
26617.291 26617.360
Polyvinylpyrrolidone, M.W. 44000 - 54000 (av) Ph. Eur. (K30)
Polyvinylpyrrolidone
Formule: (C₆H₉NO)n
Température de stockage: Température ambiante
Numéro MDL: MFCD01076626
Numéro CAS: 9003-39-8

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Résultats des tests de spécification

Assay (N) (calculated on anhydrous) 11.5 - 12.8 %
Appearance Conforms (see CoA/CoS)
Identification A Passes test
Identification E Passes test
Solution S1 Passes test
Appearance of solution Passes test
pH (5 %) 3.0 - 5.0
Viscosity (expressed as K-value) 27.0 - 32.4
Aldehydes (as C2H4O) Max. 500 ppm
Peroxides (as H2O2) Max. 400 ppm
Formic acid Max. 0.5 %
Hydrazine Max. 1 ppm
Impurity A Max. 10 ppm
Impurity B Max. 3.0 %
Heavy metals (as Pb) Max. 10 ppm
Water Max. 5.0 %
Sulphated ash Max. 0.1 %
Residual solvents Passes test


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