{"title":"Determination of sulfonamides in milk by ID-LC-MS/MS","authors":"I. Unsal, M. Tasan, T. Gokcen, A. Gören","doi":"10.25135/JCM.13.18.04.081","DOIUrl":"https://doi.org/10.25135/JCM.13.18.04.081","url":null,"abstract":"In this study, an ID-LC-MS method was developed and validated for the determination of 14 sulfonamides in milk samples. Recovery results were found to be in the range of 91%-114% for milk samples. The relative measurement uncertainty was between 7.5%12.7%. Validated method was performed on milk samples obtained from market and street vendors. The amount of sulfonamides in the analyzed samples was found to be below the legal limits (Sulfamethazine: 6.46±0.76 ng/g and sulfisoxazole: 7.3±0.71 ng/g).","PeriodicalId":15343,"journal":{"name":"Journal of Chemical Metrology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2018-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43923829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Gören, Gozde Sahin, İsmail Gümilcineli, B. Bi̇ni̇ci̇
{"title":"Rapid and reliable 25-OH vitamin D2 and 25-OH vitamin D3 measurements by multitasker LC-MS/MS","authors":"A. Gören, Gozde Sahin, İsmail Gümilcineli, B. Bi̇ni̇ci̇","doi":"10.25135/JCM.13.18.02.070","DOIUrl":"https://doi.org/10.25135/JCM.13.18.02.070","url":null,"abstract":"","PeriodicalId":15343,"journal":{"name":"Journal of Chemical Metrology","volume":null,"pages":null},"PeriodicalIF":1.3,"publicationDate":"2018-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46946802","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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