HomeBUFFER TABLETS BUFFER TABLETS Bio-Chem pH Buffer Tablets offers easier way to prepare buffer solutions of required concentrations. One has to simply dissolve tablet to 100 ml deionized or distilled water and a solution of the specified pH will be ready for use. CODE PRODUCT NAME CAS NO. B-00539 10Cap BUFFER CAPSULES PH 4.0 NA B-00540 10Cap BUFFER CAPSULES PH 6.0 NA B-00541 10Cap BUFFER CAPSULES PH 7.0 NA B-00542 10Cap BUFFER CAPSULES PH 9.2 NA