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Foreword 0 1 Scope 0 2 Normative references 0 3 Terms and definition 0 4 General 0 5 Principle 0 6 Safety precautions 0 7 Reagents 0 8 Apparatus 0 9 Procedure 0 9.1 General 0 9.2 Preparation of test specimens 0 9.3 Colorant extraction for disperse dyes — Preparation with extraction 0 9.4 Textiles dyed with dyes other than disperse dyes — Preparation without extraction 0 9.5 Reductive cleavage 0 9.6 Separation and concentration of 4-aminoazobenzene 0 9.7 Calibration solution 0 9.7.1 Calibration solution for sample preparation without extraction 0 9.7.2 Calibration solution for sample preparation with extraction 0 9.8 Check of the analytical system 0 9.8.1 Sample preparation without extraction 0 9.8.2 Sample preparation with extraction 0 9.9 Chromatographic analyses 0 10 Evaluation 0 10.1 Calculation 0 10.2 Reliability of the method 0 11 Test report 0 Annex A (informative) Chromatographic analyses 0 Annex B (informative) Calculation 0 Annex C (informative) Reliability of the method 0 Annex D (informative) Assessment guide — Interpretation of analytical results 0

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ISO

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