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An Organic Nitrogen Specific Detector for High Pressure Liquid Chromatography

The Thermal Nitrogen Analyzer (TNA), a new highly sensitive and nitrogen-selective detector for high pressure liquid chromatography, is described.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1977

ISSN:0003-2719

数据源:报刊文摘

High Performance Liquid Chromatographic Method for the Determination of 25-Hydroxycholecalciferol in Human Serum

A 5-8 y silica column was used for the specific determination of 25-hydroxycholecalciferol and a C18 bonded 5-8 u silica column was used for the determination of total 25-hydroxyvitamin D. Recoveries of fortified samples by the two methods were comparable, 87 and 83%, respectively.

出版机构:Taylor & Francis

刊物名称:Analytical Letters

出版时间:1977

ISSN:0003-2719

数据源:报刊文摘

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