Buffer solutions

For calibration of pH measurement. Buffer solutions in the double-end ampoules offer a particularly high degree of reliability and measuring accuracy.

• Hot steam sterilised, very long shelf life
• Without preservatives
• With manufacturer certificate
• 20 ml ampoules with approx. 17 ml content

Without colour coding, hot steam sterilized. Stated pH values at 25 °C. Available in 250 ml containers. Shelf life approx. 2 years, accuracy ±0.02 pH....

pH 7. In a HDPE bottle....

Ready-to-use. pH 4, 7 and 9. pH values at 25 °C. Tolerance ± 0.02 pH....

For accurate and reproducible calibration of pH meters and pH electrodes.

• Colour-coded
• NIST™-traceable standard reference materials
• Bottles of 475 ml

With test certificate acc. to EN 10204-2.3....

According to Directive 67/548/EEC or Directive 1999/45/EC. Bottles of 480 ml....

Clear, Colourless pH Buffer Solutions. Tested at 25 °C and certified by Reagecon"s ISO 17025 Accredited
Test Method. NIST traceable and presented in various pack sizes....

For refilling Orion™ pH electrodes and ISE....

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