February 19, 2025

Indicator metal electrodes in Potentiometry analysis

conductivity cell

Indicator metal electrodes in Potentiometry analysis

In potentiometry, metal electrodes are used as indicator electrodes to measure the potential difference between the indicator electrode and a reference electrode. The potential difference is proportional to the concentration of the analyte in the solution.

Some common metal electrodes used as indicator electrodes in potentiometry include:

Silver/silver chloride electrode (Ag/AgCl):

This electrode is commonly used as a reference electrode and an indicator electrode in many potentiometric measurements.

Platinum electrode:

This electrode is often used as an indicator electrode in acid-base titrations and in the determination of certain ions, such as iodide and bromide.

Gold electrode:

This electrode is used as an indicator electrode in the determination of thiols and in the analysis of gold-containing samples.

Mercury electrode:

This electrode is used as an indicator electrode in the determination of many analytes, including heavy metals and organic compounds.

Copper electrode:

This electrode is used as an indicator electrode in the determination of certain ions, such as cyanide and sulfide.

The choice of indicator electrode depends on the nature of the analyte and the conditions of the measurement. Different electrode materials may have different sensitivities and selectivities for specific analytes.

First Year B Pharm Notes, Syllabus, Books, PDF Subjectwise/Topicwise

F Y B Pharm Sem-IF Y B Pharm Sem-II
BP101T Human Anatomy and Physiology I TheoryBP201T Human Anatomy and Physiology II – Theory
BP102T Pharmaceutical Analysis I TheoryBP202T Pharmaceutical Organic Chemistry I Theory
BP103T Pharmaceutics I TheoryBP203T Biochemistry – Theory
BP104T Pharmaceutical Inorganic Chemistry TheoryBP204T Pathophysiology – Theory
BP105T Communication skills TheoryBP205T Computer Applications in Pharmacy Theory
BP106RBT Remedial BiologyBP206T Environmental sciences – Theory
BP106RMT Remedial Mathematics TheoryBP207P Human Anatomy and Physiology II Practical
BP107P Human Anatomy and Physiology PracticalBP208P Pharmaceutical Organic Chemistry I Practical
BP108P Pharmaceutical Analysis I PracticalBP209P Biochemistry Practical
BP109P Pharmaceutics I PracticalBP210P Computer Applications in Pharmacy Practical
BP110P Pharmaceutical Inorganic Chemistry Practical
BP111P Communication skills Practical
BP112RBP Remedial Biology Practical

Suggested readings: