Final report of the SIM.QM-S7 supplementary comparison, trace metals in drinking water

Lu Yang,Kenny Nadeau, Indu Gedara Pihillagawa,Juris Meija,Patricia Grinberg,Zoltán Mester,Edith Valle Moya,Faviola Alejandra Solís González,María del Rocío Arvizu Torres, Oscar Yañez Muñoz, Judith Velina Lara-Manzano,Gisela Mazzitello,Pedro Prina,Osvaldo Acosta,Romina Napoli,Ramiro Pérez Zambra,Elizabeth Ferreira,Vladimir Dobrovolskiy,Aleksei Aprelev,Aleksei Stakheev, Dmitriy Frolov,Leonid Gusev,Veronika Ivanova,Teemu Näykki,Timo Sara-Aho,Jimmy Venegas Padilla, Carlos Acuña Cubillo, Dwyte Bremmer, Ruel Freemantle,Sutthinun Taebunpakul,Nongluck Tangpaisarnkul,Patumporn Rodruangthum,Nattikarn Kaewkhomdee, Usana Thiengmanee,Tararat Tangjit,Mirella Buzoianu,Diego Alejandro Ahumada Forigua,Johanna Paola Abella Gamba, Luis Alfredo Chavarro Medina,Egor Sobina,Tatyana Tabatchikova, Charalambos Alexopoulos, Elias Kakoulides,Mabel Delgado, Liliana Flores,Saira Knox,Kester Siewlal, Avinash Maharaj

METROLOGIA（2018）

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摘要

SIM.QM-S7 was performed to assess the analytical capabilities of National Metrology Institutes (NMIs) and Designated Institutes (DIs) of SIM members (or other regions) for the accurate determination of trace metals in drinking water. The study was proposed by the coordinating laboratories National Research Council Canada (NRC) and Centro Nacional de Metrologia (CENAM) as an activity of Inorganic Analysis Working Group (IAWG) of Consultative Committee for Amount of Substance - Metrology in Chemistry and Biology (CCQM). Participants included 16 NMIs/DIs from 15 countries. No measurement method was prescribed by the coordinating laboratories. Therefore, NMIs used measurement methods of their choice. However, the majority of NMIs/DIs used ICP-MS. This SIM.QM-S7 Supplementary Comparison provides NMIs/DIs with the needed evidence for CMC claims for trace elements in fresh waters and similar matrices.

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关键词

drinking water,metals

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