Azo Dye SPE Cartridge

A few dyes with azo structure may produce twenty-four carcinogenic Aromatic amine during chemical reaction decomposition, which are banned by the EU. According to the national standard GBT17592-2006 Determination of banned azo dyes for textiles, Green Union reduced and decomposed textile samples in citrate buffer solution medium with Sodium dithionite to produce possible banned Aromatic amine. It extracted Aromatic amine in the solution with special column for Azo dye, concentrated, fixed volume with appropriate organic solvent, and determined by GC/MS.

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