1.19774

Barium standard solution

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

• Synonym(e): Barium Calibration Standard for ICP/AAS
• UNSPSC-Code: 41116107
• NACRES: NA.24

Eigenschaften

• Qualität: certified reference material
• Qualitätsniveau: 300
• Agentur: suitable for EPA 200.7; suitable for EPA 200.8
• Produktlinie: Certipur^®
• Methode(n): AAS: suitable
• pH-Wert: 0.5 (20 °C in H₂O)
• Dichte: 1.013 g/cm³ at 20 °C
• Anwendung(en): industrial qc; pharmaceutical
• Format: single component solution
• Lagertemp.: 15-25°C

Beschreibung

Allgemeine Beschreibung

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.

Anwendung

Barium standard solution may be used as a calibration standard for atomic absorption spectroscopy.

Hinweis zur Analyse

Konzentration     β (Ba): 990 - 1010 mg/l
Bestimmungsmethode:Komplexometrische Titration.
(zurückgeführt auf NIST - SRM 682)
Methodengenauigkeit: +/- 2 mg/l

Sonstige Hinweise

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

Rechtliche Hinweise

CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Warning
• H-Sätze: H290,H315,H319
• P-Sätze: P234 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313
• Gefahreneinstufungen: Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2
• Lagerklassenschlüssel: 8B - Non-combustible corrosive hazardous materials
• WGK: nwg