1.70374

Chromium ICP standard

traceable to SRM from NIST Cr(NO₃)₃ in HNO₃ 2-3% 10000 mg/l Cr Certipur^®

• 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): ICP: suitable
• pH: <1 (20 °C in H₂O)
• density: 1.046 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, date of expiry, and detailed information about trace impurities.

application

Chromium ICP standard can be used as a calibration standard in the determination of chromium in contaminated water by inductively coupled plasma optical emission spectroscopy (ICP-OES).

Analysis Note

10000 mg/L Cr in 2-3% nitric acid, preparedwith high-purity Cr(NO₃)₃, HNO₃, and water

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

Safety Information

• pictograms: GHS05,GHS07
• signalword: Danger
• hcodes: H290 - H314 - H317 - H412
• pcodes: P234 - P261 - P273 - P280 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - Skin Sens. 1
• Storage Class: 8B - Non-combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable