DIN 19267+ • stabilized • certified • ready for use.
Basic: Boric acid / Potassium chloride 7 Sodium hydroxide. Traceable to NIST/PTB.
pH Buffer Solutions for the Calibration of pH Electrodes (25 °C)
pH buffer solutions for calibrating pH measuring devices.
- ready for use
- DIN 19267+
- stabilized
- color coded
- certified
- traceable to NIST/PTB
Quality analysis certificate or manufacturing certificate upon request (please specify when ordering).
All solutions are stabilized to prevent micro-organismal growth and are therefore permanently protected even after opening. Detailed pH/temperature table available for download.
Other container sizes and types on request.
Graduated dispenser bottles (5/10/15/20/25 ml marks) available.
Products
pH = 7.00 ± 0.01 (25°C)
DIN 19267+ • stabilized • certified • ready for use.
Basic: KH2PO4 / Na2HPO4. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 7.00 ± 0.01 (25°C) yellow
DIN 19267+ • stabilized • color coded • certified • ready for use.
Basic: KH2PO4 / Na2HPO4. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 7.00 ± 0.01 (25°C) green
DIN 19267+ • stabilized • color coded • certified • ready for use.
Basic: KH2PO4 / Na2HPO4. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 8.00 ± 0.01 (25°C)
DIN 19267+ • stabilized • certified • ready for use.
Basic: Boric acid / Potassium chloride / Sodium hydroxide. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 9.00 ± 0.01 (25°C)
Manufacturer
- Bioanalytic GmbH
pH = 9.00 ± 0.01 (25°C) blue
DIN 19267+ • stabilized • color coded • certified • ready for use.
Basic: Boric acid / Potassium chloride / Sodium hydroxide. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 9.18 ± 0.02 (25°C)
DIN 19267+ • stabilized • certified • ready for use.
Basic: di-Sodium tetra borate. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH
pH = 9.23 ± 0.02 (25°C)
DIN 19267 • certified • ready for use.
Basic: Boric acid / Sodium hydroxide. Traceable to NIST/PTB.
Manufacturer
- Bioanalytic GmbH