GB/T 17592-2011: Translated English of Chinese Standard. (GBT 17592-2011, GB/T17592-2011, GBT17592-2011): Textiles - Determination of the banned azo colourants
https://www.chinesestandard.net, 2015 M03 10 - 19 pages
This Standard specifies the detection methods for the banned azo colourants (in textile products) which can decompose carcinogenic aromatic amines (see Appendix A). This Standard is applicable to the textile products after dyeing and printing.
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Result Calculation and Expression
Informative Chromatogram of Carcinogenic Aromatic Amine Standard
2,4-toluylenediamine 3,3′-dimethoxybenzidine 3,3′-dimethyl-4,4′-diaminobiphenylmethane 3,3′-dimethylbenzidine 3′-diamminebenzidine 4-aminobiphenyl 4-chloro-o-toluidine 4-diaminobenzene 4,4′-diaminobiphenylmethane 4,4′-methylene-bis-(2-chloroaniline 4,4′-oxydianiline 5-trimethylaniline Accurately transfer amine i content amine standard substance analysis method appropriate solvent area or peak aromatic amine standard banned azo colourants Benzidine buffer solution 4.4 carcinogenic aromatic amine characteristic ion Chlorobenzene chromatogram of carcinogenic citrate buffer solution concentrated to nearly Content of aromatic decomposed detector HPLC DAD diode array detector dithionite solution 4.5 ether extracting solution ethyl ether extraction column extraction device Figure B.1 Gas chromatograph GB/T 23344 Textiles-Determination internal standard solution Kieselguhr mass spectrum method The aromatic mg/kg mg/L Mix the solution mL of methanol mL/min mobile phase nearly dry O-anisidine/2-methoxyaniline O-toluidine P-chloroaniline P-cresidine Peak area peak height phenylamine and/or Polyester Pre-treatment Method qualitative determination reagents round-bottom flask 6.2.2 Sample mass sample solution respectively scale the volume solution uniformly standard stock solution standard working solution test report Textile transfer 1 mL vacuum rotary evaporator water bath