BS EN 14362-1-2012 禁用偶氮染料释放芳香胺欧盟测试方法(4)

禁用偶氮染料释放芳香胺欧盟测试方法,替代原-1&-2方法。

BS EN 14362-1:2012

EN 14362-1:2012 (E)

Contents Page

Foreword ..............................................................................................................................................................4 1 2 3 4 5 6 7 8 8.1 8.2 8.3 8.4 8.5 8.6 8.6.1 8.6.2 8.6.3 9 9.1 9.1.1 9.1.2 9.1.3 9.2 9.3 9.4 9.5 9.69.6.1 9.6.2 9.6.3 10 10.1 10.2 10.3 11

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Scope ......................................................................................................................................................5 Normative references ............................................................................................................................5 General ....................................................................................................................................................5 Principle ..................................................................................................................................................7 Safety precautions .................................................................................................................................7 Reagents .................................................................................................................................................7 Apparatus ...............................................................................................................................................8 Test specimen sampling and preparation ........................................................................................ 10 General ................................................................................................................................................. 10 Textile article ....................................................................................................................................... 10 Fibre composition ............................................................................................................................... 10 Case of the fibre blends ..................................................................................................................... 11 Printed materials ................................................................................................................................. 11 Colours ................................................................................................................................................ 11 General ................................................................................................................................................. 11 Case of colour gathering ................................................................................................................... 11 Preparation of the three colour test specimen ................................................................................ 12 Procedure ............................................................................................................................................ 12 Colorant extraction for disperse dyes .............................................................................................. 12 Extraction of disperse dyes with chlorobenzene ............................................................................ 12 Textiles only dyed with disperse dyes ............................................................................................. 12 Textiles dyed with disperse dyes and/or other dyes ...................................................................... 12 Textiles dyed with dyes other than disperse dyes .......................................................................... 12 Reductive cleavage ............................................................................................................................ 12 Separation and concentration of the amines ................................................................................... 13 Amine detection and quantification .................................................................................................. 13 Check procedure................................................................................................................................. 13 General ................................................................................................................................................. 13 Calibration using internal standard (quantification performed by gas chromatography) .......... 13 Calibration without internal standard ............................................................................................... 14 Evaluation ............................................................................................................................................ 14 General ................................................................................................................................................. 14 Calculation of amine in the sample................................................................................................... 15 Reliability of the method .................................................................................................................... 15 Test report ........................................................................................................................................... 15

Annex A (informative) Chromatographic analyses ..................................................................................... 16 A.1 Preliminary remark ............................................................................................................................. 16 A.2 Thin layer chromatography (TLC) ..................................................................................................... 16 A.3 High performance liquid chromatography (HPLC) .......................................................................... 17 A.4 Capillary gas chromatography/mass selective detector (GC/MS) ................................................. 18 A.5 Capillary electrophoresis (CE) .......................................................................................................... 18 Annex B (informative) Reliability of the method ......................................................................................... 20 Annex C (informative) Assessment guide-interpretation of analytical results ........................................ 22 Annex D (informative) Explanatory table of dyestuffs used in various textile materials ........................ 23

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