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AZO检测,偶氮检测

The EU Regulation 1907/2006 Annex XVII restricts certain Azo dyes which, by reductive cleavage of one or more azo groups, may release one or more of aromatic amines listed in Appendix 8, i.e. to not above than 30 ppm in the finished articles or in the dyed parts thereof and shall not be used in textile and leather articles which may come into direct and prolonged contact with human skin or oral cavity, including:

Clothing, bedding, towels, hairpieces, wigs, hats, nappies and other sanitary items, sleeping bags.

Footwear, gloves, wristwatch straps, handbags, purses or wallets, briefcases, chair covers, purses worn round the neck.

Textile or leather toys and toys which include textile or leather garments.

Yarn and fabrics intended for use by the final consumer.

Azo dye are used to colour textiles and leather (please note that nowadays coloured fabric and leather are increasingly used in costume jewellery and watches).

22 aromatic amines which are listed in Appendix 8 of the EU Regulation 1907/2006 are known to be carcinogens or potential carcinogens. The greatest risk to the consumer of exposure to these amines is through direct and prolonged contact of the textile or leather with the skin or by ingestion.

The EU Regulation 126/2013 amending the EU Regulation 1907/2006 and specifies in Appendix 10 the testing methods for azo dyes in textile and leather articles.

Azo dyes in textiles are tested according to BS EN 14362-1, whereas leather articles are tested to BS EN ISO 17234-1.

Analysis of Azo dyes is carried out by GC-MS determination followed by HPLC-DAD confirmation.

AnchorCert Analytical is UKAS accredited to carry out Azo Determination in our onsite fully equipped state of the art laboratory here in Birmingham. The turnaround time for this service is within 4 working days.

 

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