Advanced applications of ICP-OES Principles

The field of science has witnessed some tremendous changes in the past few years. There have been some brilliant experiments and some life-changing discoveries that have changed the definition of how we see things. One such example is of the ICP Optical emission spectrophotometers that were invented 25 years ago and since then they have been the most versatile procedure of inorganic analysis.

As compared to the atomic absorption spectrophotometers, they are more efficient as they efficiently excite many elements. The ICP OES principle has been around the corner as an analysis procedure for decades and for all the right reasons. Let’s see why and what are the applications.

ICP Optical Emission Spectrometry Principle

ICP is the abbreviation for Inductively Coupled Plasma which is the technique of optical emission spectrometry. The working of the ICP OES principle is quite interesting. The process proceeds as the plasma is offered from outside to an analysis sample and the atoms are excited to return to their lower energy positions.

Then the emission or spectrum rays are released and they correspond to the photon wavelength that can be measured. For generating plasma, first, the argon gas is supplied to the torch coil and then the high-frequency electric coil is applied at the tip of the torch tube. An electromagnetic field is in turn created by the high-frequency current in the torch tube and plasma is generated by the ionization of the argon gas.

Applications of the principle

The ICP-OES principle is an outstanding process for conducting the elemental analysis for a wide range of samples whether the matrix is comprised of a high level of dissolved solids and is complex. The procedure is used for a wide variety of applications including:

Determining the quality and safety of drinking water and water used for commercial cause
Soil analysis in agriculture for determining the salinity or toxicity of soil composition.
Environmental impact assessments for pollution or chemical analysis
Food safety in the food and beverage industry
Pharmaceutical analysis for analyzing the certain composition of discrete elements in various drugs and vials.
Nuclear energy applications in metallurgy, geology, mining, nuclear waste management, nuclear plant monitoring, nuclear fuel analysis, etc.
Analysis of petrochemical samples by directly testing the organic solvents. The applications can be evidently spotted in achieving finished products such as bitumen or fuel or in crude oil refineries.

The bottom line

Purity is of critical significance in several industries and ICP OES principles play a vital role in determining the purity of substance in a given matter. The ICP Optical emission Spectrometry is a highly reckoned multipurpose analysis procedure and there are several uses of this technique all over the world.

Along with the manufacture and quality testing units of different fields, the ICP OES technique is also highly rated as an environmental measurement process along with ICP mass spectrometry. The current state of the procedure is promising and it is expected that the applications will expand even further in the future.

References

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