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Determination of dimetridazole residues in bovine tissue by liquid chromatography

✍ Scribed by M. Ramos; A. Aranda; Th. Reuvers; R. Jiménez

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
348 KB
Volume
275
Category
Article
ISSN
0003-2670

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✦ Synopsis

An analytical procedure for the detec@on and ldentticatlon of dunetndazole (DMZ) residues III muscle Ussue IS described The true was homogemsed wth dlchloromethane and the extract reduced to a small volume by rotary evaporation The sample was further cleaned-up by sobd phase extraction on s&a cartridge and DMZ was eluted wltb ammomum acetate buffer (pH 43) The eluate was extracted mth ethyl acetate and the orgamc phase evaporated m the presence of the mobde phase DMZ was quanbfied and confiied by reversed-phase bqmd chromatography with UV-wslble dmde array spcctrophotometrw dete&on at 320 nm The average recovery from spked muscle was 84% III the concentration range lo-50 pg kg-' The confirmation bnut was calculated to be 5 pg kg-' Keywordi Lqmd chromatography, Bovme tissue, Dlmetrrdazole, Muscle tissue

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