期刊
TALANTA
卷 58, 期 4, 页码 711-717出版社
ELSEVIER
DOI: 10.1016/S0039-9140(02)00377-6
关键词
uric acid; creatinine; environmental-friendly; high performance liquid chromatography
A simple, rapid, and eco-friendly analytical method for simultaneous determination of uric acid and creatinine in urine applying high performance liquid chromatography (HPLC) is described. After dilution, de-protein, and filtration, the sample solution was injected to separate the species with C-18 column by an eluent containing 0.05 M ammonium phosphate buffer at pH 7.4. An UV detector was used to monitor the separation of species at 235 nm. Optimum conditions for separation and detection were investigated. Results indicated that under optimized condition measurements were achieved within 13 min. The detection limits were 0.127 and 0.156 mug ml(-1) for uric acid and creatinine respectively. The recovery was 95% (0.57% RSD) for uric acid and 99.2% (0.98% RSD) for creatinine, from five measurements. Real urine specimens were tested. (C) 2002 Elsevier Science B.V. All rights reserved.
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