pH Buffer Capsules - 10 Pack

- pH buffer capsules. - Checks pH meters, testers and probes. - Supplied in a pack of 10 capsules. - Available for 4.00, 7.00, 9.00 and 10.0 pH. - Certificate of conformity pH Calibration Buffer Capsules - These ready to use pH buffer capsules are available in three different values and are suitable for checking pH instrumentation and pH electrodes on our range of pH meters and testers . These capsules allow you to regularly check that your pH meter or tester is accurately calibrated and giving you the best possible results. These DIY pH buffer capsules are available in 4 standard values, 4.00 pH, 7.00 pH, 9.00 pH and 10 pH. Each capsule makes 100ml of solution when mixed with distilled water. Supplied in packs of 10 capsules.