1.01962

Sodium hydrogen carbonate/sodium carbonate

certified reference material

• Sinónimos: Sodium Carbonate/Na₂CO₃, Sodium bicarbonate/NaHCO₃
• Código UNSPSC: 41116107
• NACRES: NA.24

Propiedades

• grado: certified reference material
• Nivel de calidad: 300
• Agency: complies with DIN 19266
• Línea del producto: Certipur^®
• aplicaciones: environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• formato: neat
• temp. de almacenamiento: 15-25°C

Descripción

Descripción general

Certipur^® certified secondary standard reference buffers are used to precisely calibrate and monitor pH measurement instruments and buffer solutions. They are quality controlled and qualified in our ISO/IEC 17025 and 17034 accredited calibration laboratories against certified primary standard reference materials (SRM) in compliance with DIN 19266, IUPAC, NIST, Ph. Eur. and USP. Certipur^® reference materials offer maximum accuracy, reliability and convenience and help avoid costly repeat analyses.

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.

Aplicación

Sodium hydrogen carbonate/sodium carbonate [pH(S) = 10.012 (25°C)] is a certified secondary standard reference buffer used as a calibration buffer standard for pH instruments or pH electrodes.

Características y beneficios

• The product is delivered with a comprehensive, batch-specific Certificate of Analysis showing relevant data for the quality management system.
• The pH value of this Certipur^® buffer solution is measured using differential potentiometry with two platinum hydrogen electrodes against NIST & PTB primary SRM [pH(S) = 10.012 (25 °C)].
• It is a Certified Reference Material (CRM) offered in neat format.
• Intended for extremely precise calibration, qualification and monitoring of pH instruments and for testing other buffer solutions.

Nota de análisis

pH-value (25 °C): 10.010 - 10.016

Información legal

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

Información de seguridad

• Pictogramas: GHS07
• Palabra de señalización: Warning
• Frases de peligro: H319
• Consejos de prudencia: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Clasificaciones de peligro: Eye Irrit. 2
• Código de clase de almacenamiento: 13 - Non Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 1
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable