This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.

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Potassium Standard can be used as a calibration standard in the isotopic analysis of potassium in geologicaland biological samples by inductively coupled plasma mass spectrometry (ICP-MS).

5% 硝酸中含钾 10′000mg/L，
用高纯度 KNO₃、HNO₃ 和水 制备。

For a complete product listing of our ICP and AAS range, including technical information and example certificates, please visit ICP & AAS standards website.

Detailed information on our complete workflow solutions for ICP-AAS can be found in our Brochure: High-Purity Chemicals for Inorganic Trace Analysis.

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TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany