General description
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.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at https://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.
Application
Potassium ICP standard is a suitable calibration standard for elemental analysis by Inductively Coupled Plasma (ICP)technique.
Analysis Note
1 g/L K in 2% nitric acid, prepared with high purity KNO3, HNO3 and water
Other Notes
For a complete product listing of our TraceCERT® range of CRMs for ICP and AAS, technical information and example certificates please visit our ICP & AAS standards website
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

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