Determination of amitraz by high-performance liquid chromatography with photodiode array detection and method validation
2008
Yun, H.J. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Yun, S.M. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea) | Lee, M.H. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea), E-mail: leemh@nvrqs.go.kr | Son, S.W. (National Veterinary Research and Quarantine Service, Anyang, Republic of Korea)
In veterinary medicine amitraz has been used as an insecticide to eliminates mites, lice, and ticks in dogs, cats, goats, swine and cattle. The objective of present study was to developed an analytical method using one-step extraction and determination of the amitraz in veterinary drugs by liquid chromatography (LC). The amitraz was analyzed by LC equipped with Waters XTerra RP18 (4.8×250 mm; 5 ㎛; Waters, USA) analytical column, using 75% acetonitrile (acetonitrile/D.W; 75/25) at 1.0 ml/min. The UV-VIS detection of amitraz was made at 290 nm. Calibration graphs were linear with very good correlation coefficients (r² greater than 0.9999) from 80~120 ㎍/ml. The limit of detection was 0.09 ㎍/ml and limit of quantification was 0.27 ㎍/ml. The method showed good intra-day precision (CV 0.05~0.09%) and inter-day precision (CV 0.06~0.18%).
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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