1.09887

Buffer concentrate

(phosphate), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 7.00 ± 0.02 (20°C) Titrisol^®

• Synonym(e): Buffer concentrate for 500 ml buffer solution, pH 7.00 ± 0.02 (20°C)
• UNSPSC-Code: 12161706
• NACRES: NA.25

Eigenschaften

• Qualität: analytical standard
• Qualitätsniveau: 100
• Agentur: according to DIN 19266
• Produktlinie: Titrisol^®
• pH-Wert: 7.00 (20 °C in H₂O)
• Dichte: 1.08 g/cm³ at 20 °C
• Anwendung(en): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• Format: mixture
• Lagertemp.: 15-25°C

Beschreibung

Allgemeine Beschreibung

The Titrisol^® reference buffer concentrate [phosphate; pH=7.00±0.02 (20 °C)] is analyzed in the ISO/IEC 17025 accredited calibration laboratory with a combined glass electrode and 5-point calibration according to DIN 19268 against a certified primary standard reference material following DIN 19266. The Titrisol^® concentrated buffer material combines ease of use and maximum precision for the routine calibration and monitoring of pH instruments. To prepare the ready-to-use pH buffer solution, simply dilute the Titrisol^® buffer concentrate.

Download your certificate at https://www.sigmaaldrich.com/US/en/documents-search?tab=coa  to view certified values, including uncertainty and expiry date.

Anwendung

Buffer concentrate phosphate; pH=7.00±0.02 (20 °C) is used as standard buffer for calibrating pH meters to ensure accurate pH measurements.

Leistungsmerkmale und Vorteile

• Traceable to primary standard reference materials from NIST and PTB
• Analytical standard Grade
• Uncertainty data and traceability are documented in a comprehensive and batch-specific Certificate of Analysis.

Hinweis zur Analyse

pH-Wert (20 °C): 7.00 +/- 0.02
Gemessen nach auffüllen auf 500 ml mit einer kombinierten Glaselektrode nach Mehrpunktkalibration (nach DIN 19268) mit Referenzmaterialien zur Herstellung von Standardpuffer- lösungen nach DIN 19266.

Sonstige Hinweise

Please visit Physical & Chemical Property Standards to explore a wide selection of standards and certified reference materials (CRMs) for many tests parameters.In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website.

Rechtliche Hinweise

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

Sicherheitshinweise

• Lagerklassenschlüssel: 12 - Non Combustible Liquids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable