IS 17430 : 2020 Textile Dyestuffs-Natural Dye from Red Flowers of Canna indica ( Indian Shot, Sarvajjaya )-Identification
New Standard from Last Update.
1 SCOPE
This standard prescribes test methods and identification requirements of powder / aqueous extract of Canna indica (Sarvajjaya) red flower dye, and of textiles coloured with this dye. The detection and identification of the natural colourant from red flowers of Canna indica is conducted using chromatographic techniques i.e., Thin Layer Chromatography (TLC) and High Performance Liquid Chromatography (HPLC) as given in Annex A and B and by UV-Visible spectroscopic technique as given in Annex C. The method for extraction of the dye from fabric dyed with Canna indica red flower extracts is given in Annex D.
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 was valid. All standards are 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 standard indicated below.
1070: 1992 Reagent grade water — Specification (third revision)