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BS ISO 21915-2:2020

BS ISO 21915-2:2020

$142.49

Textiles. Qualitative and quantitative analysis of some cellulose fibres (lyocell, cupro) and their blends – Blend quantification using light microscopy method

Published By Publication Date Number of Pages
BSI 2020 30
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This document specifies the quantitative analysis of cupro and lyocell mixtures using the microscopical analysis as described in ISO 20705 after re-dyeing cupro and lyocell mixtures.

This testing method is applied only for cupro and lyocell, or those blends. If other fibres are present, those are identified using the test method of ISO/TR 11827 and removed using the relevant parts of the ISO 1833 series.

This method is not applicable for the fibre surface is damaged during the process (e.g. chemically or physically).

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
5 Reagents
6 Apparatus
11 7 Procedure
7.1 Prior identification
7.2 Preparation of test specimen
7.3 Decolouring
7.4 Pre-treatment for re-dyeing
7.5 Re-dyeing
12 7.6 Measurement of fibres
7.6.1 Preparation for counting
7.6.2 Measurement
8 Accuracy
13 9 Test report
14 Annex A (informative) Observation of fibres by the re-dyeing method
17 Annex B (informative) Determination of re-dyeing temperature
18 Annex C (informative) Interlaboratory test result
29 Bibliography

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BS ISO 21915-2:2020
$142.49