Technical pH buffer in capsule form. Ideal when simple and long storage times are important. Before use, the capsules are dissolved in 100 ml DI water - for example in a wide-neck bottle GWF100 (allow sufficient time before use), the capsule colours ...

Technical pH buffer in the practical dosing bottle. The "measuring chamber" is filled by simply pressing the bottle, the pH electrode can be immersed directly into it. After the adjustment/calibration process, the contents of the measuring chamber ...