钽ICP标准液

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 http://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.

Tantalum standard may be used as standard for inductively coupled plasma atomic emission spectroscopy (ICP-AES) method for determination of tantalum in superalloys.

1 g/L Ta in 2% nitric acid and <0.5% hydrofluoric acid, prepared with high purity Ta metal, HNO₃, HF 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