Conductometry is a measurement of electrolytic conductivity to monitor the progress of the chemical reactions. Conductometry has notable application in analytical chemistry, where conductometric titration is a standard technique.

1. Electrochemical Methods of analysis
Presented By,
Prof.Vedanshu R.Malviya
M.Pharm (Pharmaceutics)
P. R.Pote Patil College of Pharmacy,
Amravati.

2. Pharmaceutical Analysis
• It is divided into four types
• Electrochemical method
• Types of electrochemical methods
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3. conductometry
• What is conductivity
• What is conductometry
• Conductometry and Titration
• Conductive Solution
• Strong Electrlytes
• Weak Electrolytes
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4. Some imp terms
• Ohms Law
• Conductance
• Specific resistance
• Specific conductance
• Equivalent conductivity
• Molecular conductance:
• Effect of dilution
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5. Instrumentation
• Conductivity cell
• Conductometer
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6. Conductivity cell
• Made of pyrex or quartz and are fitted with two
platinum electrodes.
• Should be placed in vessel containing water to maintain
constant temperature.
• Determination of cell constant
• Types:
• 1. Type-A – Low Conductance Measurement Cell
• 2. Type-B- Conductivity cell for PPT type of cell
• 3. Type-C- Dip Cell type
• Electrodes
• Conductivity Water
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7. Principal of Conductometric Titration
• Reaction between anions and cations
• It is either increase or decrease
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8. Types of Conductometric Titration
• The determination of end point of a
titration by means of conductivity
measurements are known as
conductometric titrations.
 Acid-base titration
 Precipitation titration
 Replacement titration
 Redox (oxidation-reduction) titration
 Complexometric titration
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9. Acid-base titration
• SA Vs SB
• SA Vs WB
• WA Vs SB
• WA Vs WB
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10. Precipitation Titration
• [K++Cl-]+[Ag++No3
_]
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11. Redox Titration
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0
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0 10 20 30 40 50 60
6 Fe2++Cr2O7
2-+14H+→6Fe3++2Cr3++7H2O

12. applications
• Determination of solubility of sparingly soluble material
• Kinetic studies
• Degree of dissociation of weaker electrolytes
• Basicity of organic acids
• Determination of concentration
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