INTERACTION OF POLYVINYLPYRROLIDONE WITH METAL CHLORIDE AQUEOUS SOLUTIONS*

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INTERACTION OF POLYVINYLPYRROLIDONE WITH METAL CHLORIDE AQUEOUS SOLUTIONS*

Papers | Updated：2021-06-21

- INTERACTION OF POLYVINYLPYRROLIDONE WITH METAL CHLORIDE AQUEOUS SOLUTIONS*
- Vol. 22, Issue 6, Pages: 581-584(2004)
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- Published：20 December 2004
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INTERACTION OF POLYVINYLPYRROLIDONE WITH METAL CHLORIDE AQUEOUS SOLUTIONS*[J]. 2004, 22(6): 581-584.
DOI：

INTERACTION OF POLYVINYLPYRROLIDONE WITH METAL CHLORIDE AQUEOUS SOLUTIONS*[J]. 2004, 22(6): 581-584. DOI：

摘要

Interactions of polyvinylpyrrolidone (PVP) with metal chlorides (MgCl2

CaCl2

KCl and BaCl2) have been investigated by viscometric and spectrophotometric techniques in aqueous solutions. Intrinsic viscosity [] of (PVP) has shown a discontinuity with varying concentration of metal chlorides. The decreasing order of effectiveness of cation is K1+ Ca2+ Mg2+ Ba2+ for poly(vinylpyrrolidone) solution. Changes in the absorption spectra of the cosolutes were observed in the presence of PVP in the lower limit of the UV-visible region i.e. 200-210 nm. These changes were attributed to interaction of PVP molecules with the cosolute molecules. As the concentration of the cosolute increased

a red shift in the peaks was observed

indicating an increase in interaction between PVP and cosolutes.

Abstract

Interactions of polyvinylpyrrolidone (PVP) with metal chlorides (MgCl2

CaCl2

a red shift in the peaks was observed

indicating an increase in interaction between PVP and cosolutes.

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