Question

What is the chemical used in buffer for ph measurement?

Answer 1

A pH meter is a scientific instrument that measures the hydrogen-ion activity in ... The pH meter is used in many applications ranging from laboratory experimentation to quality control....

......They are also used in chemical analysis and calibration of pH meters. The majority of biological samples that are used in research are made in buffers, especially phosphate buffered saline (PBS) at pH 7.4.....
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Answer 2

Hey dear

Here your answer

A ph metar is the scientific instruments that measures the hydrogen-ion activity In..The ph metar is used in many applications ranging from labourty experimentation to quality control.

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