30.20 Aug 1, 2026
ISO
ISO/TC 38/SC 23
International Standard
This document specifies the test method for determining the viscosity-average degree of polymerization (DP) of cellulose in natural cellulosic fibres by viscometry measurements of solutions of cellulose in the mixture of 1-butyl-3-methylimidazolium acetate (BMIMOAc) and dimethyl sulfoxide (DMSO).
This document is primarily applicable to natural cellulosic fibres and pure spun cellulosic yarns and fabrics.
PROJECT
ISO/CD 26612
30.20
CD study/ballot initiated
Aug 1, 2026
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