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Multi-Element Analysis of Drinking Water Using the NexION 1000 ICP-MS Following ISO 17294-2 and (EU) 2020/2184

Introduction

The international standard method ISO 17294 outlines the analysis of elements in water samples (for example, drinking water, surface water, groundwater, wastewater, and eluates) using ICP-MS. ISO 17294-1:20041 provides the general guidelines for using the ICP-MS technique, and ISO 17294-2:20162 describes the determination of selected elements, including uranium isotopes. In drinking water and relatively unpolluted waters, the limit of quantification (LOQ) lies between 0.002 μg/L and 1.0 μg/L for most elements (Table 1)

Also listed in this table are the LOQ specifications set by Directive (EU) 2020/2184. This directive aims to protect human health from the adverse effects of any contamination of water intended for human consumption by ensuring that it is wholesome and clean.

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