Orion pH buffers are manufactured under ISO 9000 quality standards. Buffers are color-coded for ease of use, packaged with buffer/temperature tables for accurate calibrations and NIST traceability. All-in-One Buffer kit (1233M21) includes pint bottles of 4 (pink), 7 (yellow) and 10 (blue)…

Our complete range of patented buffer solutions provide pH stability of up to five years. High buffering capacity provides rapid and stable calibration.

1.68, 4.01, 6.86, 7.00, 9.18, 10.01, and 12.45 buffer solutions are available in 250 mL bottles.

Technical buffering solutions for pH 4.01, pH 7.00 and pH 10.01: pH 4.01, pH 7.00 and pH 10.01 are available in the practical 50mL bottles as well as in 1L special bottles with dosing device and pour spout.  The buffer 10.0 is a special case: It is only still suitable for…

Standardized against NIST certified pH 6.86 and 10.01 reference samples

The YSI pH buffer solution is suitable for use in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.