Development of an isotope dilution liquid chromatography/tandem mass spectrometry method for the accurate determination of neonicotinoid pesticides, imidacloprid, clothianidin, and thiamethoxam in kimchi cabbage reference materials

Autor: Seonghee Ahn, Sunwoong Son, Byungjoo Kim, Kihwan Choi

Publikováno v: Journal of Analytical Science and Technology, Vol 13, Iss 1, Pp 1-10 (2022)

Abstract A method based on isotope dilution liquid chromatography/tandem mass spectrometry (ID-LC/MS/MS) was established as a candidate reference method for accurate determination of neonicotinoid pesticides, imidacloprid, clothianidin, and thiametho

Externí odkaz: https://doaj.org/article/410e06f1dcd5402fadb97fe6aeaf69c0

Accurate Determination of Carbaryl, Carbofuran and Carbendazim in Vegetables by Isotope Dilution Liquid Chromatography/Tandem Mass Spectrometry

Autor: Ji-Young Lee, Seonghee Ahn, Byungjoo Kim

Publikováno v: Chromatographia. 84:27-35

An analytical method for the accurate determination of carbamate pesticides, carbaryl, carbendazim, and carbofuran, in vegetables was established based on the isotope dilution liquid chromatography/tandem mass spectrometry (ID-LC/MS/MS) technique as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4a95e3ac3bfe783deb3c3f87aa64609
https://doi.org/10.1007/s10337-020-03976-y

Determination of fatty acid contents in infant formula by isotope dilution-gas chromatography/mass spectrometry

Autor: Song-Yee Baek, Joonhee Lee, Seonghee Ahn, Sunyoung Lee, Byungjoo Kim

Publikováno v: Journal of Food Composition and Analysis. 80:33-39

An isotope dilution-gas chromatography/mass spectrometry (ID-GC/MS) method was developed as a candidate reference method for the accurate determination of the amount of fatty acids in infant formula. 13C- or 2H-labeled fatty acids were used as intern

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbe0aa2437e83bbf44eb12f489d263af
https://doi.org/10.1016/j.jfca.2019.04.002

Effect of irradiation for sterilization on beverage reference materials for the analysis of food additives

Autor: Byungjoo Kim, Seonghee Ahn

Publikováno v: Accreditation and Quality Assurance. 24:113-118

Reference materials for proficiency testing (PT) were prepared for 6 years. The target analytes were food additives, sorbic acid, benzoic acid, and propyl p-hydroxybenzoate, in two kinds of commercial beverages. To enhance the stability of PT referen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c5a16fc820005e66ed3ccb770409091
https://doi.org/10.1007/s00769-018-1359-z

Mass fraction assignment of Bisphenol-A high purity material

Autor: Steven Westwood, Gustavo Martos, Ralf Josephs, Tiphaine Choteau, Robert Wielgosz, Stephen Davies, Michael Moawad, Greg Tarrant, Benjamin Chan, Mahiuddin Alamgir, Eliane de Rego, Wagner Wollinger, Bruno Garrido, Jane Fernandes, Rodrigo de Sena, Rodrigo Oliveira, Jeremy Melanson, Jennifer Bates, Phuong Mai Le, Juris Meija, Can Quan, Ting Huang, Wei Zhang, Ruian Ma, Shaofeng Zhang, Yuan Hao, Yaiuan He, Shanjun Song, Haifeng Wang, Fuhai Su, Tianji Zhang, Hongmei Li, Wai-hing Lam, Wai-fun Wong, Wai-hong Fung, Rosemarie Philipp, Ute Dorgerloh, Klas Meyer, Christian Piechotta, Juliane Riedel, Tanja Westphalen, P Giannikopoulou, Ch Alexopoulos, E Kakoulides, Yuko Kitamaki, Taichi Yamazaki, Yoshitaka Shimizu, Miho Kuroe, Masahiko Numata, Alejanro Pérez-Castorena, Miryan Balderas-Escamilla, Judith Garcia-Escalante, Anatoliy Krylov, Alena Mikheeva, Mikhail Beliakov, Marina Palagina, Irina Tkachenko, Sergey Spirin, Vadim Smirnov, Teo Tang Lin, Cheow Pui Sze, Wang Juan, Wong Lingkai, Lu Ting, Liu Qinde, Chen Yizhao, Sim Lay Peng, Maria Fernandes-Whaley, Des Prevoo-Franzsen, Laura Quinn, Nontete Nhlapo, Dennis Mkhize, Dominique Marajh, Sabelo Chamane, Seonghee Ahn, Kiwhan Choi, Sunyoung Lee, Jeesoo Han, Song-Yee Baek, Byungjoo Kim, Sornkrit Marbumrung, Pornnipa Jongmesuk, Kittiya Shearman, Cheerapa Boonyakong, Mine Bilsel, Simay Gündüz, Ilker Ün, Hasibe Yilmaz, Gökhan Bilsel, Taner Gökçen, Cailean Clarkson, John Warren, Eli Achtar

Publikováno v: Metrologia. 58:08015

Main text The CCQM-K148.a comparison was coordinated by the BIPM on behalf of the CCQM Organic Analysis Working Group for NMIs and DIs which provide measurement services in organic analysis under the CIPM MRA. It was undertaken as a "Track A" compari

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c93cfb9ddec54e67deae13ff0c3fafc
https://doi.org/10.1088/0026-1394/58/1a/08015