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Molar Mass—Intrinsic Viscosity Relationship of High-Molar-Mass Hyaluronans: Involvement of Shear Rate

D. Lath, K. Csomorová, G. Kolláriková, M. Stankovská, and L. Šoltés

Polymer Institute, Slovak Academy of Sciences, SK-842 36 Bratislava

 

E-mail: ladislav.soltes@savba.sk

Received: 16 December 2004

Abstract: Empirical Kuhn—Mark—Houwink—Sakurada (KMHS) relationships for high-molar-mass hyaluronans, exhibiting non-Newtonian behaviour, are presented in 0.2 mol dm−3 NaCl at 25°C as a function of shear rate. Viscometric determination of the molar mass in conventional Ubbelohde viscometer of constant shear rate requires the proper use of KMHS relationship and concentration correction for moisture content of the hyaluronan sample characterized.

Full paper in Portable Document Format: 595a291.pdf

 

Chemical Papers 59 (5) 291–293 (2005)

Tuesday, June 18, 2024

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