Copure® Cartridges for Azo Dye Testing

Copure® Cartridges for Azo Dye Testing

Determination of banned azo dyes in textile products

Most currently-used dyes and pigments in textile and leather industries are azo compounds which, under reductive conditions, are decomposed to form fatty or aromatic amines. Among amines derived from azo compounds, some aromatic amines are believed to be carcinogenic or potentially carcinogenic and banned in EU, the U.S. and China.

Biocomma provides SLE cartridges dedicatedly optimized for determining banned azo dyes in textile products, helping you manage product quality quickly and reliably and protect health of your customers.


  • Packed with dedicatedly optimized diatomaceous earth
  • Frits with excellent flowrate control technology
  • Complying with China and EU official methods
  • Superb performance proven by China’s most authoritative textile testing institute

Typical recoveries:

Analyte Recovery
2,4-diaminoanisole >20%
o-toluidine >50%
2,4-diaminotoluene >50%
other aromatic amines >70%

Related methods:

GB/T 17592-2011   Textiles―Determination of the banned azo colourants

Order information:

Product No. Description Qty.
AZO060 SLE cartridges for azo dye testing 4/PK
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