021-77621551-4
Poly(vinylpolypyrrolidone) | 77627 Sigma-Aldrich | 100GR | موجود | پلی وینیل پیرولیدون | ~110 μm particle size | Synonym: PVPP, Polyvinylpyrrolidone, cross-linked CAS Number 9003-39-8
Complexes with phenolics and alkaloids for their removal from plant samples, thus preventing their modification of proteins and any interference they may cause in spectrophotometric determinations of protein content. This is also reported to improve stability of enzymes.
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