{"title":"[Methodologic recommendations for the determination of 25-OH vitamin D3 in plasma using HPLC].","authors":"M Matthey, H Graf, G H Richter, G Flachowsky","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>A method for measuring 25-OH D3-vitamin (calcidiol) in plasma samples of cattle is described. The samples were purified using non-polar C 18-cartridges and 25-OH D3 was determined by high-performance liquid chromatography (HPLC) on a silicic acid straight phase liquid chromatography column (retention time 11.5 min). The detection limit for 25-OH D3 is about 0.5 ng injection quantity, the average recovery was 90%, the standard error amounted to 8%.</p>","PeriodicalId":11281,"journal":{"name":"Die Nahrung","volume":"33 6","pages":"503-7"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Die Nahrung","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A method for measuring 25-OH D3-vitamin (calcidiol) in plasma samples of cattle is described. The samples were purified using non-polar C 18-cartridges and 25-OH D3 was determined by high-performance liquid chromatography (HPLC) on a silicic acid straight phase liquid chromatography column (retention time 11.5 min). The detection limit for 25-OH D3 is about 0.5 ng injection quantity, the average recovery was 90%, the standard error amounted to 8%.
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