1.06587

di-Sodium hydrogen phosphate solution

(buffer stock solution) 1/15 mol/l

• Synonym(s): Disodium Phosphate Solution
• NACRES: NA.24
• UNSPSC Code: 12161703

Properties

• grade: analytical standard
• Quality Segment: 100
• pH: 9.2 (20 °C in H₂O, ready-to-use solution)
• density: 1.01 g/cm³ at 20 °C
• application(s): environmental; food and beverages; general analytical; industrial qc; pharmaceutical
• format: mixture
• storage temp.: 15-25°C

Description

General description

The accuracy of pH measurement results is directly affected by the buffer reference materials used in calibration. We have a distinguished range of buffer solutions and substances for the exact calibration of your pH measurement equipment. Using Certipur^® reference materials, you benefit from maximum accuracy, reliability and convenience and avoid costly repeat analyses.

Our wide range of pH calibration buffers offers ideal products and packaging for your individual need. All buffer solutions are traceable to NIST (National Institute of Standards and Technology, USA) and PTB (Physical Technical Institute, Germany) primary reference materials. Buffers solutions are offered in 1L PE bottle, measured at 20 °C or 25 °C.

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.

Analysis Note

concentration: 0.0664 - 0.0670 mol/l

Legal Information

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

Safety Information

• Storage Class: 12 - Non Combustible Liquids
• wgk: nwg
• flash_point_f: Not applicable
• flash_point_c: Not applicable