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Origin of Color of Poly( N -vinyl Pyrrolidone) Concentrated Aqueous Solutions

✍ Scribed by Muşat, Veronica; Popa, M.; Gospodinova, Natalia

Book ID
121867399
Publisher
Taylor and Francis Group
Year
2011
Tongue
English
Weight
717 KB
Volume
16
Category
Article
ISSN
1023-666X

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Acoustical parameters of poly(vinyl pyrr
Acoustical parameters of poly(vinyl pyrrolidone) in N,N-dimethyl formamide solutions
✍ K. Chowdoji Rao; S. Venkata Naidu; A. Varada Rajulu 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 173 KB

Ultrasonic velocity, viscosity, density and refractive index measurements have been made for solutions for poly(vinyl pyrrolidone) (PVP; viscosity average molecular weight --40,000) in N,N-dimethyl formamide (DMF) at various concentrations and temperatures. The molar compressibility (ill specific ac