1.01962

Sodium hydrogen carbonate/sodium carbonate

certified reference material

• Sinônimo(s): Sodium Carbonate/Na₂CO₃, Sodium bicarbonate/NaHCO₃
• Código UNSPSC: 41116107
• NACRES: NA.24

Propriedades

• grau: certified reference material
• Nível de qualidade: 300
• Agency: complies with DIN 19266
• linha de produto: Certipur^®
• aplicação(ões): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• Formato: neat
• temperatura de armazenamento: 15-25°C

Descrição

Descrição geral

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.

Aplicação

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 e benefícios

• 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 análise

pH-value (25 °C): 10.010 - 10.016

Informações legais

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

Informações de segurança

• Pictogramas: GHS07
• Palavra indicadora: Warning
• Frases de perigo: H319
• Declarações de precaução: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Classificações de perigo: Eye Irrit. 2
• Código de classe de armazenamento: 13 - Non Combustible Solids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable