Electrochemical sensors are devices that transform chemical interactions into usable electrical signals for analysis, making them valuable tools in various fields. They have advantages such as high sensitivity, selectivity, rapid response, and low power consumption, but also come with disadvantages including the need for calibration, limited analyte range, and potential contamination issues. Overall, they are considered effective alternatives to more conventional methods that may be time-consuming and costly.

1. EXPLORATION
OF
ELECTROCHEMI
CAL SENSORS
K.SOMIYA-BK
K.MADHUMITA REDDY –BL
K.MAHITA REDDY-BM

2. Context
1.WHAT ISTHE
ELECTROCHEMICAL
SENSORS ?
2. IT’S DEFINITION
3.WORKING PRINCIPAL
OF EC SENSORS
4. ADVATAGE AND
DISADVANTAGES
5. CONCLUSION
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3. WHAT IS THE
ELECTROCHEMICAL
SENSORS ?
• SENSORS WHICH TRANSFORMER THE EFFECT
OF THE ELECTROCHEMICAL INTERACTION
• ANALYELECTRODE INTO A USEFUL SIGNAL ARE
KNOW AS ELECTROCHEMICAL SENSORS.
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4. Types of electrochemical sensors
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• TYPES:
• 1.VOLTAMETRIC: CURRENT MEASURE IN THE DC OR AC
• 2.POTRNTIOMETERIC: POTENTIAL IS
MEASURED(REFERENCE ELECTRODE AND WORKING
ELECTRODE).
•

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It’s definition.
• CHEMICAL SENSOR A DEVICE THAT TRANSFORMS
CHEMICAL INFORMATION RANGING FROM CONCENTRATION
OF A SPECIFIC SAMPLE COMPONENT TOTAL COMPOSITION
ANALYSIS INTO AN ANALYTICALLY USEFUL SIGNAL.
•The devices that will convert chemical information into an
electrical signal suitable for a computer
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WORKING PRINCIPAL OF EC SENSOR
• CONSISTS OF A TRANSDUCES ELEMENT CONVERED BY A RECOGNITION ELEMENT
RECOGNITION ELEMENT INTERATS WITH TARGET ANALYTE AND SIGNAL
GENERATEDELECTROCHEMICAL TRASDUCERS THENTRANSFORMTHE CHEMICAL CHANGES
INTO ELECTRICAL SIGNALS PRODUCES AN EELECTRICAL SIGNAL RELATEDTOTHE
CONCENTRATION ANALYTE
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Advantages of electrochemical sensors:
• High Sensitivity: Electrochemical sensors can detect trace amounts of analytes, making them
useful for measuring low concentrations of substances.
• Selectivity: They can be highly selective for specific analytes, reducing the chances of
interference from other substances.
• Rapid Response: Electrochemical sensors offer quick response times, allowing for real-time
monitoring and control.
• Low Power Consumption: They are often energy-efficient, making them suitable for portable and
battery-operated devices.
• Wide Range of Applications: These sensors are used in diverse fields, including environmental
monitoring, healthcare, and industrial processes.
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Disadvantages of electrochemical
sensors:
• Calibration: They require periodic calibration to maintain accuracy, which can be time-
consuming.
• Limited Analyte Range: Some electrochemical sensors are specific to particular analytes and
may not work for a wide range of substances.
• Electrode Fouling: Electrodes can become fouled or contaminated over time, affecting sensor
performance.
• Sensitivity to Environmental Conditions: Sensitivity to temperature, humidity, and pH levels can
impact sensor accuracy.
• Cost: High-quality electrochemical sensors can be expensive, which may be a drawback in
some applications.
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Conclusion
• ELETROCHEMICAL SENSORS PROVE BEST ALTERNATIVETO
CONVENTIONAL METHOD WHICH ARE TIME CONSUMING HAVE
LIMITED APPLICATION AND COSTLY .
Tuesday, February 2, 20XX

10. Thank You
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