YY/T 0953-2020
Medical carboxymethyl chitosan
YY 0953-2015
Medical carboxymethylchitosan
DIN EN ISO 1833-28-DRAFT
Draft Document - Textiles - Quantitative chemical analysis - Part 28: Mixtures of chitosan with certain other fibres (method using diluted acetic acid) (ISO 1833-28:2019); German and English version prEN ISO 1833-28:2019