-[[calibrate_ph_meter|Calibration measurement and maintenance of pH meter]] -User manual ====General Information====

pH METER

{{:nchsls:c:biochemistry:document:ph_electrode.jpg|}} {{:nchsls:c:biochemistry:document:glass_ph.jpg|}}

PRINCIPLE

**pH Measurement with a Glass Electrode** -Glass electrode is most common ion-selective electrode -Combination electrode incorporates both glass and reference electrode in one body {{:nchsls:c:biochemistry:document:ph_details.jpg|}} {{:nchsls:c:biochemistry:document:mechanism_ph_meter.jpg|}}.