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1.19785

Supelco

Cobalt standard solution

traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Co Certipur®

Synonym(s):

Nota 1 A

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24

grade

certified reference material

Quality Level

300

Agency

suitable for EPA 200.7
suitable for EPA 200.8

product line

Certipur®

technique(s)

AAS: suitable

pH

0.5 (20 °C in H2O)

density

1.014 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 and expiry date.

Application

Cobalt standard solution may be used as a calibration standard in the determination of cobalt in marine water by flow injection- chemiluminescence (FI-CL) technique.

Analysis Note

1000 mg/L Co in 0.5 mol/L HNO3, prepared with high-purityCo(NO3)2, HNO3, and water

Other Notes

Blocked in the US and Canada due to regulatory reasons
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

Pictograms

Health hazardCorrosion
GHS08,GHS05

Signal Word

Danger

Hazard Classifications

Aquatic Chronic 3 - Carc. 1B - Eye Irrit. 2 - Met. Corr. 1 - Repr. 1B - Skin Irrit. 2

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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Protocols

Cobalt in Wastewater from Printing Plates, Print Materials, and Graphic Products

Analytical method – Cobalt in wastewater from printing plates, print materials, and graphic products, Photometric determination with Nitroso-R-Salt

Cobalt in Wastewater from Ceramics Production

Analytical method – Cobalt in wastewater from production of ceramics, Photometric determination with Nitroso-R-Salt

Cobalt in Wastewater from metal-processing and metal-working Processes

Analytical method – Cobalt in wastewater from metal-processing and metal-working processes, Photometric determination with Nitroso-R-Salt

Cobalt in Wastewater from Inorganic Pigments

Analytical method – Cobalt in wastewater from inorganic pigments, photometric determination with Nitroso-R-Salt

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