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Determination of presence of Azorubin (Carmoisine)

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Ewgenij Gorstein

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May 29, 2002, 1:06:16 PM5/29/02
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Hi,

Please, advise how to determine that the solution is colored by
Azorubin (Carmoisine)?

Tobias Kind

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May 29, 2002, 9:06:58 PM5/29/02
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gors...@gmx.net (Ewgenij Gorstein) wrote in message news:<95527ac0.02052...@posting.google.com>...
> 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

Ewgenij Gorstein

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May 30, 2002, 4:17:38 AM5/30/02
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tk200...@amdis.net (Tobias Kind) wrote in message news:<15543d40.02052...@posting.google.com>...

> gors...@gmx.net (Ewgenij Gorstein) wrote in message news:<95527ac0.02052...@posting.google.com>...
>
> HPLC or TLC.
>

Thanks for the help.

There is more simple method of the qualitative analysis of presence of
Azorubine (for example, titration or any another) ?

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