Polivinilpirrolidone K 25, 100 g
Codice articolo 4606.1
€ 30,98
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Polivinilpirrolidone K 25, 100 g
Dettagli del prodotto
Codice SA: 39059990
Marca: Carl Roth
Polivinilpirrolidone K 25, extra puro, massa molare (M) ~24000 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 | 22,5-27,0 | < /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 H2O) | 3,0-5,0 |
| Vinilpirrolidone (HPLC) | ?0,001% |
| Metalli pesanti | ?0,001 % |
| Aldeide | ?0,05 % |
| Idrazina | ?0,0001 % |
| Perossidi (come H2O2) | ?0,04% |
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