GB/T 17592-2011 Translated English of Chinese Standard. (GBT 17592-2011, GB/T17592-2011, GBT17592-2011): Textiles - Determination of the banned azo colourantshttps://www.chinesestandard.net, 10 mar. 2015 - 19 pagini 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. |
Cuprins
| 3 | |
Result Calculation and Expression | 10 |
Informative Chromatogram of Carcinogenic Aromatic Amine Standard | 17 |
Termeni și expresii frecvente
1,4-diaminobenzene 2,4-toluylenediamine 3,3′-dimethoxybenzidine 3,3′-dimethyl-4,4′-diaminobiphenylmethane 4-aminobiphenyl 4-chloro-o-toluidine 4,4′-diaminobiphenylmethane 4,4′-methylene-bis-(2-chloroaniline 4,4′-oxydianiline 5-trimethylaniline Accurately transfer amine i content amine standard substance analysis are impossible 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 Concentration of aromatic decomposed detector HPLC DAD diode array detector dithionite solution 4.5 ethyl ether extraction column extraction device Figure C.1 Gas chromatograph 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-toluidine P-chloroaniline P-cresidine parameters of chromatographic Peak area peak height 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 Textiles-Determination of 4-aminoazobenzene transfer 1 mL vacuum rotary evaporator water bath