This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST. Certified content incl. uncertainty and expiry date are given on the certificate. Download your certificate at: http://www.sigma-aldrich.com.
Application
Quantitative trace-level speciation in water analysis: Multi Anion Standard 2 for IC is used in ion chromatography for the quantitative speciation of trace-level arsenite and arsenate in drinking water, demonstrating its critical role in ensuring water safety and compliance with health regulations (Johnson and Aldstad, 2002).
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Grape seeds are an important byproduct from the grape process. The objective of this work was to evaluate the effect of experimental parameters (temperature and time of pretreatment with ultrasound) to obtain grape seed oil using low pressure (Soxhlet-Sox and
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