1.09884

Buffer concentrate

(citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C) Titrisol^®

• Sinônimo(s): Buffer concentrate for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C)
• Código UNSPSC: 12161704
• NACRES: NA.25

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• Agency: according to DIN 19266
• linha de produto: Titrisol^®
• pH: 4.0 (20 °C, 50 g/L in H₂O)
• p.e.: 110 °C
• pf: -6 °C
• densidade: 1.06 g/cm³ at 20 °C
• aplicação(ões): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• Formato: mixture
• temperatura de armazenamento: 15-25°C

Descrição

Descrição geral

The Titrisol^® reference buffer concentrate [citrate/hydrochloric acid; pH=4.00±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.

Aplicação

Buffer concentrate can be used as a standard buffer for calibrating pH meters to ensure accurate pH measurements.

Características e benefícios

• 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.

Nota de análise

pH-value (20 °C): 4.00 +/- 0.02
Measured after dilution to 500 ml with a combination glass electrode after multiple point calibration (according to DIN 19268) with reference materials for the preparation of standard buffer solutions according to DIN 19266.

Outras notas

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.

Informações legais

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

Informações de segurança

• Código de classe de armazenamento: 12 - Non Combustible Liquids
• Classe de risco de água (WGK): WGK 1
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable