Appl. Rheol. 19 (2009) 53347 (6 pages) Intrinsic viscosity determination by 'single-point' and 'double-point' equations Rolando Curvale, Carlos Cesco "Single-point" equations used for intrinsic viscosity determination are greatly used when working with synthetic polymer solution systems. In this work we have applied them to a biological macromolecule in a bovine serum albumin (BSA)/water system. Almost all single-point equations are available and errors can be lowered. However, we have detected a systematic bias in the estimations provided by "single-point" methods. To overcome it we propose a "double-point" method which gives lower estimation errors for this system. This novel method is not system specific and could be applied to other polymeric solution. © 2009 Applied Rheology.
DOI: 10.3933/ApplRheol-19-53347 Type ARTICLE Online since 2009-10-16 rcurvale@unsl.edu.ar ISSN 1617-8106 (Applied Rheology - Online Edition) URL http://doi.org/10.3933/ApplRheol-19-53347 DOI 10.3933/ApplRheol-19-53347
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Appl Rheol 19 (2009) issues: