Sigma-Aldrich Potassium Standard For Icp

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.

Potassium ICP standard is a suitable calibration standard for elemental analysis by Inductively Coupled Plasma (ICP)technique.

1 g/L K in 2% nitric acid, prepared with high purity KNO₃, HNO₃ and water

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

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