This part of ISO 1833 specifies a method, using sulfuric acid, to determine the proportion of cellulose fibre, after removal of non-fibrous matter, in textiles made of mixtures of
— natural and regenerated cellulose fibres
and
— polyester fibre.
ISO 1833-11:2006 Referenced Document
ISO 1833-1 Textiles — Quantitative chemical analysis — Part 13: Mixtures of certain chlorofibres and certain other fibres (method using carbon disulfide/acetone)*, 2020-06-05 Update
ISO 1833-11:2006 history
2017ISO 1833-11:2017 Textiles — Quantitative chemical analysis — Part 11: Mixtures of cellulose and polyester fibres (method using sulfuric acid)
2006ISO 1833-11:2006 Textiles - Quantitative chemical analysis - Part 11: Mixtures of cellulose and polyester fibres (method using sulfuric acid)