A new thin-layer chromatographic method of detection of carbaryl, carbofuran and baygon from vegetables.

Appaiah, K. M. and Nag, U. C. and Pura Naik, J. and Nagaraja, K. V. and Kapur, O. P. (1984) A new thin-layer chromatographic method of detection of carbaryl, carbofuran and baygon from vegetables. Indian Food Packer, 38 (4). 28-31, 16 ref..

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Abstract

A new thin-layer chromatographic me/hod for the detection of carbaryl (I-ruiphthyl N-methyl carbamate), carbofuran (2,3.dihydro-2, 2-dimethyl.7-benzofiJr. anyl methyl carbamate) and baygon r-isopropoxyphenyl N-merhyl carbamate) from vegetables was developed using 4:4-diaminodiphenyl su/phone as a chromogenic reagent and benzene-acetone as developing solvent. The Rfvalues in this system were 0.25, 0.23, and 0.20 for carbaryl. carbofuran and blygon, respectively. The method is sensitive upto 0.05 I'g ofcarbaryl. carbofuran and baygon and enables to detect as low as 0.02 ppm of these imecticide residues from vegetables.

Item Type:	Article
Uncontrolled Keywords:	thin-layer chromatographic method, insecticides
Subjects:	500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 26 Pesticide Chemistry 500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 04 Analytical Chemistry
Divisions:	Food Safety Analytical Quality Control Lab
Depositing User:	Food Sci. & Technol. Information Services
Date Deposited:	28 May 2014 07:21
Last Modified:	30 Jun 2015 05:59
URI:	http://ir.cftri.res.in/id/eprint/2500

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