• Pesticides – From analytical standards to certified reference materials

    Certified reference materials (CRMs) are an essential part of quality assurance. Laboratories accredited according to ISO 17025 need to use CRMs on a regular basis to prove their quality. For organic compounds, only a very limited number of CRMs from metrological institutes are available; therefore, the big challenge is traceability. One option is to use a relative primary method, such as qNMR. ...


  • Low-Flow Groundwater Sampling Latest Research and Equipment Options

    In this webinar, David Kaminski will present the latest information on well purging protocols, and discuss low-flow sampling pump options, including the newest pumping equipment available for low-flow sampling. David will describe traditional well purging practices and how these have evolved into today's practice of low-flow purging and sampling. Information about controlling sample turbidity, ...


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