1.19785

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
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• 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

Description

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

Safety Information

• Pictograms: GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H290,H315,H319,H350,H360FD,H412
• Precautionary Statements: P202 - P234 - P273 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• 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