The pH meter, electrode, and calibration buffers are standard equipment in most analytical laboratories. The familiar process of generating an accurate pH measurement has benefited over the years from a host of innovations. These include electrode improvements such as the combination electrode, more versatile pH glass, and high-performance electrode junctions, and application-specific electrodes. pH meters have provided similar innovations such as automatic buffer recognition, automatic temperature compensation, and Good Laboratory Practice (GLP) features. Although the pH measurement process has been streamlined and simplified, there is still much to consider for the system to perform reliably.

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