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Rubidium ICP standard

traceable to SRM from NIST RbNO₃ in HNO₃ 2-3% 1000 mg/l Rb Certipur®

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Quality Level

product line



ICP: suitable


0.5 (20 °C in H2O)


1.013 g/cm3 at 20 °C


single component solution

storage temp.


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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 to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.


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

It may be used as a standard solution to determine the rubidium concentration in simulated brine by Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES).

Analysis Note

1000 mg/L Rb in 2-3% nitric acid, prepared with high-purity RbNO3 and HNO3

Other Notes

For a complete product listing of our Certipur® range of CRMs for ICP and AAS, technical information, and example certificates please visit our ICP & AAS standards website

Legal Information

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





Hazard Classifications

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2

Storage Class

8A - Combustible, corrosive hazardous materials



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Recovery of rubidium and cesium resources from brine of desalination through t-BAMBP extraction
WS Chen
Metals, 10, 607-607 (2020)

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