Sigma-Aldrich Chromium Standard Solution

Agency

suitable for EPA 200.7
suitable for EPA 200.8

Quality Level

300

Product Line

Certipur^®

Technique(S)

AAS: suitable

pH

0.5 (20 °C in H₂O)

Density

1.015 g/cm³at 20 °C

Format

single component solution

Storage Temp.

15-25°C

Related Categories

ICP & AAS standards

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

Chromium standard solution may be used as a calibration standard in the determination of chromium in moisturizing creams by graphite furnace atomic absorption spectroscopy.

Analysis Note

1000 mg/L CR in 0.5 mol/L HNO₃, prepared with high-purityCr(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 websiteCERTIPUR is a registered trademark of Merck KGaA, Darmstadt, GermanyGHS05H290,H315,H319P234 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313