Please, advise how to determine that the solution is colored by
Azorubin (Carmoisine)?
Buna Ziua Ewgenij,
HPLC or TLC.
La revedere
Tobias Kind
www.amdis.net
PS:
Determination of E122 aka Carmoisine or Azorubine C.I.14720
CAS: 3567-69-9
Sensitive Analysis of Synthetic Colors
using HPLC and Diode- Array Detection
at 190-950 nm by
Angelika Gratzfeld-Hüsgen and Rainer Schuster
Publication Number 5964-3559E from Agilent
http://www.bst.com.au/resources/synthetic%2520colours%2520hplc.pdf
or
SURVEY OF COLOURS IN SWEETS
No. 23/02 April 2002
http://www.foodstandards.gov.uk/multimedia/pdfs/23sweets.pdf
or
TLC (Thin-Layer Chromatography) cheap but not very sensitive...
http://www.chromsource.com/books/Milestones-TLC.pdf
Thanks for the help.
There is more simple method of the qualitative analysis of presence of
Azorubine (for example, titration or any another) ?