1.99091

Buffer solution

traceable to NIST SRM, traceable to PTB, pH 9.2 (25 °C in H₂O), Certipur^®

• Synonym(e): di-sodium tetraborate
• UNSPSC-Code: 41116107
• NACRES: NA.25

Eigenschaften

• Agentur: traceable to NIST SRM; traceable to PTB
• Qualitätsniveau: 300
• Produktlinie: Certipur^®
• pH-Wert: 9.2 (25 °C in H₂O)
• bp: 100 °C/1013 hPa
• Dichte: 1.00 g/cm³ at 20 °C
• Lagertemp.: 15-25°C

Beschreibung

Allgemeine Beschreibung

(di-Natriumtetraborat)rückführbar auf SRM von NIST und PTB pH 9.18 (25°C) Certipur^®

Anwendung

The buffer is used as a standard to calibrate pH measuring instruments or pH electrodes and as a control to measure the pH of other solutions.

Leistungsmerkmale und Vorteile

• Measured and qualified at an ISO/IEC 17025 and ISO 17034 accredited laboratory
• Traceable to secondary reference standard from NIST and primary certified reference standard from PTB
• Available in secure 500 mL plastic bottle to protect against contamination
• Accompanied with a detailed and batch-specific certificate of analysis (CoA) for an effective audit
• Product label follows the ISO Guide 31 and contains information about ordering number, article description, lot number, safety data, and expiry date
• Packaging material subjected to comprehensive stability studies as per ISO Guide

Rechtliche Hinweise

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

Sicherheitshinweise

• Lagerklassenschlüssel: 12 - Non Combustible Liquids
• WGK: nwg
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable