Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Part 1: Detection of the use of certain azo colorants accessible with and without extracting the fibres (ISO 14362-1:2017)
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ISO 14362-1:2017 describes a method to detect the use of certain azo colorants that may not be used in the manufacture or treatment of certain commodities made of textile fibres and that are accessible to reducing agent with and without extraction. Azo colorants accessible to reducing agent without extraction are those used to colour with pigments or to dye - cellulosic fibres (e.g. cotton, viscose), - protein fibres (e.g. wool, silk), and - synthetic fibres (e.g. polyamide, acrylic). Azo colorants accessible with extraction are those used to dye man-made fibres with disperse dyes. The following man-made fibres can be dyed with disperse dyes: polyester, polyamide, acetate, triacetate, acrylic and chlorofibre. The method is relevant for all coloured textiles, e.g. dyed, printed and coated textiles.
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Principle
6 Safety precautions
7 Reagents
8 Apparatus
9 Test specimen sampling and preparation
9.1 General
9.2 Textile article
9.3 Fibre composition
9.4 Case of the fibre blends
9.5 Coloured materials with pigments
9.6 Colours
10 Procedure
10.1 Colorant extraction for disperse dyes with xylene
10.2 Textiles coloured with pigments and/or dyed with colorants other than disperse dyes
10.3 Reductive cleavage
10.4 Separation and concentration of the amines
10.5 Amine detection and quantification
10.6 Check procedure
11 Evaluation
11.1 General
11.2 Calculation of amine in the sample
11.3 Reliability of the method
12 Test report
Annex A Chromatographic analyses (informative)
Annex B Reliability of the method (informative)
Annex C Assessment guide — Interpretation of analytical results (informative)
Annex D Explanatory table of dyestuffs used in various textile materials (informative)
Annex E Procedure for liquid/liquid extraction without diatomaceous earth (informative)
Annex F Colorants — Methods for determination of certain aromatic amines (normative)