1.70391
Thorium ICP standard
traceable to SRM from NIST Th(NO₃)₄ in HNO₃ 2-3% 10 mg/l Th Certipur®
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About This Item
UNSPSC Code:
41116107
NACRES:
NA.24
Recommended Products
grade
certified reference material
Quality Level
Agency
suitable for EPA 200.8
product line
Certipur®
technique(s)
ICP: suitable
pH
1 (20 °C in H2O)
density
1.012 g/cm3 at 20 °C
application(s)
industrial qc
pharmaceutical
format
single component solution
storage temp.
15-25°C
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 http://www.sigma-aldrich.com to view certified values, including uncertainty, date of expiry, and detailed information about trace impurities.
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.
Application
Thorium ICP standard may be used as a calibration standard for preconcentration and separation of thorium in water samples by ICP-MS technique.
Analysis Note
10 mg/L Th in 2-3% nitric acid, prepared with high-purity Th(NO3)4 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
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
Storage Class Code
8B - Non-combustible, corrosive hazardous materials
WGK
WGK 1
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Find documentation for the products that you have recently purchased in the Document Library.
Determination of uranium and thorium in complex samples using chromatographic separation, ICP-MS and spectrophotometric detection
M Rozmaric, et.al.
Talanta, 80, 352-362 (2009)
Determination of uranium and thorium in complex samples using chromatographic separation, ICP-MS and spectrophotometric detection
M Rozmaric
Talanta, 80, 352-362 (2009)
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