Polivinilpirrolidone K 30, 2,5 kg
Codice articolo 4607.4
€ 476,21
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Polivinilpirrolidone K 30, 2,5 kg
Dettagli del prodotto
Codice SA: 39059990
Marca: Carl Roth
Polivinilpirrolidone K 30, extra puro, massa molare (M) ~40000 g/mol, densità (D) 1,2 g/cm³, n. CAS [9003-39-8], Formula empirica (C6H9NO)n
| Aspetto | polvere da bianca a biancastra |
| Valore K | 27,0-32,4< /td>< /tr> |
| Contenuto di azoto (N) | 11,5-12,8 % |
| Trasparenza (5 % in H2< /sub>O) | chiaro |
| Acqua (KF) | ?5,0 % |
| Cenere solfatata | ?0,1% |
| Valore pH (5% in H 2O) | 3,0-5,0 |
| Vinilpirrolidone (HPLC) | ? 0,001% |
| Metalli pesanti | ?0,001% |
| Aldeide | ?0,05% |
| Idrazina | ?0,0001% |
| Perossidi (come H 2O2) | ?0,04% |
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