1.01962

Sodium hydrogen carbonate/sodium carbonate

certified reference material

• 동의어(들): Sodium Carbonate/Na₂CO₃, Sodium bicarbonate/NaHCO₃
• UNSPSC 코드: 41116107
• NACRES: NA.24

속성

• Grade: certified reference material
• Quality Level: 300
• Agency: complies with DIN 19266
• 제품 라인: Certipur^®
• 응용 분야: environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• 형식: neat
• 저장 온도: 15-25°C

설명

일반 설명

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.

애플리케이션

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.

특징 및 장점

• 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.

분석 메모

pH-value (25 °C): 10.010 - 10.016

법적 정보

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

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H319
• 예방조치 성명서: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable