Research Note Development of a Method for the Determination of Pyrimethamine Concentrations in Feeds by Ion-Pairing High-Performance Liquid Chromatography

P. S. GONG; S. L. JENG; Y. F. HSU

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Research Note Development of a Method for the Determination of Pyrimethamine Concentrations in Feeds by Ion-Pairing High-Performance Liquid Chromatography

机译：离子对高效液相色谱法测定饲料中乙胺含量的方法研究进展

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An ion-pairing reversed-phase high-performance liquid chromatography (HPLC) method with diode array detection at 280 nm was developed to determine pyrimethamine concentrations in feed for laying hens. Pyrimethamine was extracted with a mixture of 5/100 isobutanol and 95/100 benzene, and the extract was cleaned up on an alumina column. The drug was eluted from an Intersil ODS-3V column (250 by 4.6 mm) with a mixture of 25/100 acetonitrile and 75/100 water (vol/vol) containing 0.01 M tetramethylammonium chloride as an ion-pairing agent and adjusted with acetic acid to pH 3.5.

机译：建立了具有280 nm二极管阵列检测功能的离子对反相高效液相色谱（HPLC）方法，以测定蛋鸡饲料中乙胺嘧啶的浓度。用5/100异丁醇和95/100苯的混合物萃取乙胺，然后在氧化铝柱上纯化萃取液。用25/100乙腈和75/100水（体积/体积）的混合物从Intersil ODS-3V色谱柱（250 x 4.6毫米）上洗脱药物，该混合物中含有0.01 M氯化四甲基铵作为离子对试剂，并用乙酸进行调节酸至pH 3.5。

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《Journal of food protection》 |2002年第4期|p.688-691|共4页
作者
P. S. GONG; S. L. JENG; Y. F. HSU;
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收录信息美国《科学引文索引》(SCI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类食品加工与保藏;营养卫生、食品卫生;
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Research Note Development of a Method for the Determination of Pyrimethamine Concentrations in Feeds by Ion-Pairing High-Performance Liquid Chromatography

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