azo dyes in textiles 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 正在翻译,请等待... 翻译结果2复制译文编辑译文朗读译文返回顶部...
Only the azo form is observed on nylon; all other dyes, except Orange II, give blue shifts. A model is developed in which the more apolar moiety of the dye binds to pockets formed in the non-crystalline (amorphous) regions of cotton, with those parts containing the sulphonate group ...
Its reason is certain azo dyes meeting generation guides aromatics amine, cause cancer thereby. 其原因是某些偶氮染料会产生导芳族胺,从而导致癌症. 互联网 Meanwhile, a thin - layer chromatography for detecting those prohibited azo dyes in textiles is presented. ...
With the promulgation and implementation of the EU banned azo dye regulations, China has issued GB18401 - 2003 "basic safety technical specifications for National Textiles" and "GB/T17592.1~17592.3 - 1998" testing methods for prohibited azo dyes in textiles. In 2006, it reissued the GB/T17592...
At present, in the EU and China, more than 30 countries and regions have formulated relevant standards for the definition of the types and content of chemicals in textiles, involving more than 20 banned aromatic amines and more than 300 related dyes. ...
9.Meanwhile, a thin-layer chromatography for detecting those prohibited azo dyes in textiles is presented. 同时介绍了用薄层色谱分析法检测纺织品中禁用偶氮染料的方法。 10.Enhanced action of azo dyes decolourzation by quinone-reducing community using redox mediators was inspected. ...
Azo dyes which may release one of the 22 as yet regulated carcinogenic AAs are banned from clothing textiles in the European Union (Annex XVII of the REACH regulation; No, 1907/2006) (EC, 2009) and in national regulations, e.g. in Switzerland in the Ordinance about objects with human con...
Why Use Azo Dyes Testing on Textiles and Leather? In recent years, the use of Azo dyes has become regulated by chemical legislation, including REACH, China GB Standards, and California Proposition 65. Your responsibilities as an importer include complying with all regulations, including those concer...
The research progress of application of new sample pretreatment technology and testing technology in detection of banned azo dyes in textiles and leather is reviewed.The former includes solid phase extraction,liquid-liquid microextraction technique,supercritical fluid extraction,microwave extraction technique an...
As we all know, not all azo dyes in textiles will cause problems, but some coloring agents are classified as carcinogens, and they can not be used in products with long term skin contact. < /p > < p > according to ACCC, consumer goods suppliers should be responsible for ensuring that ...