Insights in Analytical Electrochemistry Open Access

Impact of Electro Analytical Chemistry in Chemical Analysis.

Suresh Kailasa^* Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, India
^*Correspondence: Suresh Kailasa, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, India, Email:

Received: 31-Aug-2022, Manuscript No. IPAEI-22-14739; Editor assigned: 02-Sep-2022, Pre QC No. IPAEI-22-14739 (PQ); Reviewed: 16-Sep-2022, QC No. IPAEI-22-14739; Revised: 21-Sep-2022, Manuscript No. IPAEI-22-14739 (R); Published: 28-Sep-2022, DOI: 10.21767/2470-9867.22.8.21

INTRODUCTION

Analytical chemistry consists of methods for determining the chemical composition of the analyses. A qualitative method gives information about the atomic or molecular species or the functional groups that exist in the sample; a determination method, notwithstanding, provides numerical information as to the relative amount of one or more of these components. Sensitive, accurate, and precise methods are desired. Titrimetric, absorption, emission spectroscopy, thermal, and electro analytical methods are used for the determination of analyses from a matrix with very low detection limits. Electro analysis is an covering all branches of electro analytical chemistry, including both fundamental and application papers as well as reviews dealing with new electrochemical sensors and biosensors, Nano bioelectronics devices, analytical voltammetry, potentiometric, new electrochemical detection schemes based on novel nanomaterials, fuel cells and biofuel cells, and important practical applications.

Description

Serving as a vital communication link between the research labs and the field, Electro analysis helps you to quickly adapt the latest innovations into practical clinical, environmental, food analysis, industrial and energy-related applications. Electro analysis provides the most comprehensive coverage of the field and is the number one source for information on electro analytical chemistry, electrochemical sensors and biosensors and fuel/ biofuel cells. Voltammetry is a technique in which the potential is varied in a regular manner while the current is monitored. Polarography is a subtype of voltammetry that utilizes a liquid metal electrode. Coulometer is a method that monitors the quantity of electricity (coulombs) that are consumed during an electrochemical reaction involving the analyse. The second major category of instrumental analysis is electro analysis. The electro analytical methods use electrically conductive probes, called electrodes, to make electrical contact with the analyse solution. The electrodes are used in conjunction with electric or electronic devices to which they are attached to measure an electrical parameter of the solution. The measured parameter is related to the identity of the analyse or to the quantity of the analyse in the solution. Amperometry monitors electric current (amperes) while keeping the potential constant. Conductometry measures conductance (the ability of a solution to carry an electric current) while a constant alternating-current (AC) potential is maintained between the electrodes. Electrogravimetry is a gravimetric technique similar to the classical gravimetric methods that were described above, in which the solid that is weighed is deposited on one of the electrodes. The electro analytical methods are divided into categories according to the electric parameters that are measured.

Conclusion

The major electro analytical methods include potentiometric, amperometry, conductometry, electrogravimetry, voltammetry (and polarography), and coulometry. The names of the methods reflect the measured electric property or its units. Potentiometry measures electric potential (or voltage) while maintaining a constant (normally nearly zero) electric current between the electrodes. Amperometry indicates the whole of electrochemical techniques in which a current is measured as a function of an independent variable that is, typically, time or electrode potential. Chronoamperometry is the technique in which the current is measured, at a fixed potential, at different times since the start of polarisation. Chronoamperometry is typically carried out in unstirred solution and at the fixed electrode, i.e., under experimental conditions avoiding convection as the mass transfer to the electrode. On the other hand, voltammetry is a subclass of amperometry, in which the current is measured by varying the potential applied to the electrode. According to the waveform that describes the way how the potential is varied as a function of time, the different voltammetry techniques are defined.

Acknowledgement

None.

Conflict of Interest

The author’s declared that they have no conflict of interest.

REFERENCES

1. Piliang H, Sunil S, Adav D (2017) Recent advances in mass spectrometric analysis of protein deamidation. Mass Spectrom Rev 36(6): 677–692.

   [Crossref] [Google Scholar] [PubMed]
   

2. Noyhouzer T, Valdinger I, Mandler D (2013) Enhanced potentiometry by metallic nanoparticles. Anal Chem 85(17): 8347–8353.

   [Crossref] [Google Scholar] [PubMed]
   

3. Sun J, Geng Z, Xue N (2018) A mini-system integrated with metal-oxide-semiconductor sensor and micro-packed gas chromatographic column. Micromachines. 9(8): 408.

   [Crossref] [Google Scholar] [PubMed]
   

4. Hurtado M, Davidson JL, Blyth CA, Lowe J (2010) Holographic detection of hydrocarbon gases and other volatile organic compounds. Langmuir. 26(19): 15694–9.

   [Crossref] [Google Scholar] [PubMed]