Contribution of Instrumental Techniques towards advances in Analytical Chemistry

Analytical-instrument-with-automated-sample-selection

Analytical instrument with automated sample selection

Analytical chemistry owes its beginnings to classical analysis techniques. What makes classical analysis techniques popular even today acknowledges the contribution of classical analysis to advances in analytical method developments. It also emphasizes the fact that to gain a sound hold on advanced analytical instruments you have to have a good grasp over the basics of classical techniques.

Today the horizons of analytical studies have expanded at an unforeseen pace. Increasing consumer demands, safety concerns and development of new materials have raised the expectation levels from the analytical scientist in terms of commitment on the reported results, ultra- low detection limits and speed of analysis.

Industry demands instantaneous results on manufactured products in assembly lines or process streams. Such decisions have far reaching implications on commercial and quality of manufactured goods. These decisions are possible using off-line advanced instrumental analysis techniques as well as online process monitoring. Classical techniques which no doubt provide high accuracy of results are no match when it comes to speed of analysis. Besides the analysis speed automated instrumental methods also ensures freedom from personal bias and errors. What are the benefits offered by modern analytical instrumental methods over non-instrumental methods covers some of these benefits at length.

Instrumental methods of analysis have exploited several basic properties of matter such as light absorbance, electrical conductivity, viscosity, phase transitions, presence of isotopes, molecular vibrations and selective adsorption of certain species, etc to develop well defined analytical streams such as spectroscopy, chromatography, thermal analysis, electrometric methods and the like. The limitless available options have helped the analytical scientist gain insight into arrangement of atoms and molecules in solids (both crystalline and amorphous), geological specimens and biological samples. Instrumental methods have also significantly contributed to our understanding and development of nano-materials, bio-fuels, semiconductor devices and clinical diagnosis.

Rapid advances in micro electronics, optics and automation have further contributed to the advances in instrumental techniques and their scope of applications. However, it is once again emphasized that the analytical scientist should constantly upgrade his or her analytical skills, update on basics and avoid the pitfalls of becoming a mere technical operator of analytical instruments.

About Dr. Deepak Bhanot

Dr Deepak Bhanot is a seasoned professional having nearly 30 years expertise beginning from sales and product support of analytical instruments. After completing his graduation and post graduation from Delhi University and IIT Delhi he went on to Loughborough University of Technology, UK for doctorate research in analytical chemistry. His mission is to develop training programs on analytical techniques and share his experiences with broad spectrum of users ranging from professionals engaged in analytical development and research as well as young enthusiasts fresh from academics who wish to embark upon a career in analytical industry.

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