BS EN ISO 1833-22:2021

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Textiles. Quantitative chemical analysis – Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride)

Published By	Publication Date	Number of Pages
BSI	2021	14

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Categories: 59.060.01 - Textile fibres in general, BSI

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Description

This document specifies a method, using formic acid and zinc chloride, to determine the mass percentage of viscose or certain types of cupro or modal or lyocell, after removal of non-fibrous matter, in textiles made of mixtures of

viscose or certain types of the cupro or modal or lyocell fibres

with

flax fibres.

This document is not applicable to mixtures in which the flax fibre has suffered extensive chemical degradation, nor when the viscose, cupro, modal or lyocell fibre is rendered incompletely soluble by the presence of certain permanent finishes or reactive dyes that cannot be removed completely.

PDF Catalog

PDF Pages	PDF Title
2	National foreword
4	European foreword
6	Foreword
9	1 Scope 2 Normative references 3 Terms and definitions 4 Principle
10	5 Reagents and apparatus 5.1 General 5.2 Reagent 5.2.2 Formic acid/zinc chloride reagent. 5.3 Apparatus 6 Test procedure 6.1 General 6.2 Removal of the non-cellulosic components of the flax fibres 6.3 Dissolution of viscose, cupro, modal or lyocell fibre
11	7 Calculation and expression of results 7.1 Calculation of loss in mass during pre-treatment 7.2 Calculation of dry mass of after-transfer mixture corrected to its initial dry mass before pre-treatment 7.3 Calculation of dry masses of viscose or cupro or modal or lyocell and pretreated flax fibres
12	7.4 Calculation of the percentages of each component with agreed percentage additions for moisture 8 Precision

Additional information

Status	Definitive
Pages	14
Publication Date	2021-08-06
ISBN	978 0 539 04134 7
Standard Number	BS EN ISO 1833-22:2021
Title	Textiles. Quantitative chemical analysis – Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride)
Identical National Standard Of	EN ISO 1833-22, ISO 1833-22
Replaces	BS EN ISO 1833-22:2013
Descriptors	Mixtures, Fibre testing (textiles), Separation methods (chemical analysis), Chemical analysis and testing, Determination of content, Extraction methods of analysis, Chemical tests (textiles), Interferences (chemical), Specimen preparation, Separation, Textile fibres, Textile testing, Quantitative analysis
Publisher	BSI
Committee	TCI/100
ICS Codes	59.060.01 - Textile fibres in general

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BS EN ISO 1833-22:2021

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