Reaffirmed 2024

1. SCOPE

This standard prescribes test method and identification requirement of dried/aqueous extract of Rubia dye (Maddar) dye and Rubia dyed textiles. The detection and identification of synthetic alizarin and natural colorant madder are conducted using kit method given in Annex A. Confirmatory tests can be carried out through Thin Layer Chromatography (TLC), High Performance Thin Layer Chromatography (HPTLC) and High Performance Liquid Chromatography (HPLC) by chromatographic techniques as given in Annex B, C and D as well as by UV-Visible and Fourier Transform Infrared Spectroscopy (FTIR) spectroscopic techniques as given in Annex E and F.

2. REFERENCES

The following standard contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the edition indicated were valid. All standard is subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of the standards indicated below.

1070 : 1992 Reagent grade water