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^®

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

Propriétés

• Qualité: analytical standard
• Niveau de qualité: 100
• Agence: according to DIN 19266
• Gamme de produits: Titrisol^®
• pH: 7.00 (20 °C in H₂O)
• Densité: 1.08 g/cm³ at 20 °C
• Application(s): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• Format: mixture
• Température de stockage: 15-25°C

Description

Description générale

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.

Application

• A novel and efficient voltammetric sensor for the simultaneous determination of alizarin red S and tartrazine: Utilizing buffer concentrates, this study develops a poly(leucine) functionalized carbon paste electrode. It demonstrates the crucial role of buffer solutions in enhancing the accuracy and sensitivity of voltammetric sensors in environmental and biochemical assays (Moulya et al., 2024).


• Nitrocellulose for Prolonged Permeation of Levofloxacin HCl-Salicylic Acid In Situ Gel: Research grade buffer concentrate is employed to maintain pH stabilization during the formulation of nitrocellulose-based in situ gels, improving drug delivery systems for pharmaceutical applications (Khaing et al., 2024).


• The development of lateral flow devices for urinary biomarkers to assess kidney health: This study integrates high-purity buffer concentrates for the optimal performance of lateral flow devices, underscoring their importance in clinical diagnostics and biochemical assays (D′Souza et al., 2024).


• Determination of lamotrigine in human plasma by HPLC-PDA: Buffer concentrates are crucial in the forensic analysis of lamotrigine levels in plasma, illustrating their significance in enhancing the reliability and accuracy of pharmaceutical testing (Sánchez-Sellero et al., 2024).


• On-Chip Electrochemical Sensing with an Enhanced Detecting Signal Due to Concentration Polarization-Based Analyte Preconcentration: The use of buffer concentrates is essential in creating on-chip electrochemical sensors, facilitating significant advancements in analytical chemistry through improved detection signals (Park et al., 2024).

Caractéristiques et avantages

• 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.

Remarque sur l'analyse

pH-value (20 °C): 7.00 +/- 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.

Informations légales

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

Informations sur la sécurité

• Code de la classe de stockage: 12 - Non Combustible Liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable