第 38 卷第 6 期 |  | Vol. 38 No. 6 | 2008 年 12 月 | Dec 2008 |
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所屬欄目:分析與測試
反相液相色譜法測定7-羥基-3,4-二氫-2(1H)-喹啉酮的含量 |
顏秋梅1,何 斌1,潘富友2
(1. 浙江工業(yè)大學(xué)化材學(xué)院,浙江 杭州 310014;2. 臺州學(xué)院醫藥化工學(xué)院,浙江 臺州 317000) |
摘 要:建立了反相液相色譜測定7-羥基-3,4-二氫-2(1H)-喹啉酮含量的方法。采用shim-pack C18柱(5 μm,4.6 mm i.d.×250 mm),流動(dòng)相為v(甲醇)∶v[緩沖溶液(含事先配制好的0.075 mol/L的磷酸二氫銨,磷酸調至pH=3)]=50∶50,流速為0.8 mL/min,檢測波長(cháng)為250 nm。外標法定量,7-羥基-3,4-二氫-2(1H)-喹啉酮1~100 μg/mL濃度范圍內呈良好的線(xiàn)性關(guān)系,線(xiàn)性回歸系數r為0.999 7,平均回收率為99.26%,RSD=1.17%(n=9)。 |
關(guān)鍵詞:反相液相色譜;7-羥基-3,4-二氫-2(1H)-喹啉酮;含量測定 |
中圖分類(lèi)號:O657.7+2 文獻標識碼:B 文章編號:1009-9212(2008)06- 0061-03 |
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Determination of 7-Hydroxy-3,4-dihydro-2(1H)quinolinone by RP-HPLC |
YAN Qiu-mei1,HE Bin1,PAN Fu-you2
(1. College of Chemical Engineering and Materials Science,Zhejiang University of Technology,Hangzhou 310014,China;2. School of Pharmaceutical and Chemical Engineering;Taizhou University,Taizhou 317000,China) |
Abstract:A RP-HPLC method was established for the determination of 7-hydroxy-3,4-dihydro-2(1H)quinolinone. The HPLC system was as follow:shim-pack C18 column(5 μm,4.6 mm i.d.×250 mm),v(methanol)∶ v[buffer(0.075 mol/L ammonium dihydrogen phosphate,ajusted to pH=3.0 with phosphoric acid)]=50∶50 as mobile phase at flow rate of 0.8 mL/min. The detection wavelength was at 250 nm. The calibration curve was linear from 1.00 to 100.00 μg/mL,the regression coefficient was 0.999 7 and the average recovery of the method was 99.26%,RSD was 1.17%(n=9). |
Key words:RP-HPLC;7-hydroxy-3,4-dihydro-2(1H)- quinolinone;determination |
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基金項目:浙江省自然科學(xué)基金資助項目(406049)。
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作者簡(jiǎn)介:顏秋梅(1984.8-),女,江蘇徐州人,碩士研究生,主要從事精細有機合成研究。(E-mail:yanqiumei84@126.com)
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聯(lián) 系 人: 潘富友,教授,碩士生導師,主要從事藥物合成及分析的研究。(E-mail:panfy@tzc.edu.cn)
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收稿日期:2008-12-30
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