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- W2371199281 abstract "Diphacinone(DPCN)and/or chlorophacinone(CPCN)in samples of urine were separated, enriched and purified by solid phase extraction(SPE)on Oasis HLB C_(18)column.The SPE procedure micro column was rinsed successively with mixtures of HOAc-CH_3OH and NH_3(aq.)-CH_3 OH to remove impurities,and eluted with mixture of CH_3OH-H_O(90+10)to transfer DPCN and CPCN into the eluate from the column.The eluate was evaporated to dryness by N_2-blowing at 40℃,and the residue was taken up with 1.0 mL of CH_3 OH.An aliquot of 10.0 μL was used for HPLC determination.Zorbax Extend C_(18)column was used as the stationary phase and a mixture of 0.02 mol·L~(-1)NH_4OAc-HOAc buffer solution(pH 5.5)and methanol(30+70)was used as the mobile phase.UV detection at 285 nm was adopted.Linear relationship was found in the range of 0.02- 5.0 mg·L~(-1)for both compounds.Test for recovery was made,giving values of recovery in the range of 96.0%- 100.0%(for DPCN)and in the range of 92.0%-96.0%(for CPCN).Values of intraday RSD's(n=6)found were less than 6.2% and 4.9%,interday RSD's(n=18)were less than 9.8% and 8.9% for DPCN and CPCN respectively." @default.
- W2371199281 created "2016-06-24" @default.
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- W2371199281 date "2009-01-01" @default.
- W2371199281 modified "2023-09-23" @default.
- W2371199281 title "HPLC Determination of Diphacinone and Chlorophacinone in Urine with Solid Phase Extraction" @default.
- W2371199281 hasPublicationYear "2009" @default.
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