Common Uses of Optical Emission Spectroscopy Testing

Optical emission spectroscopy (OES) is a type of spectroscopy that uses a light source to excite electrons in a sample, causing them to emit light. This light can then be collected and analysed to determine the composition of the sample.

Last Updated: September 18th, 2023 First Published :


Common Uses of Optical Emission Spectroscopy Testing

Optical emission spectroscopy (OES) is a widely used analytical technique that utilises the light emitted from a sample when excited by an energy source. This light, or emission spectrum, is unique to each element and provides a characteristic “fingerprint” that can be used for identification and analysis. OES is commonly used in a variety of industries for a range of applications, including quality control, process control, and research.

One of the most common uses of OES is in the steel industry. Steel manufacturers use OES to determine the composition of their products, ensuring that they meet industry standards and specifications. By analysing the light emitted from a sample, manufacturers can quickly and accurately determine the amounts of elements such as carbon, sulphur, phosphorus, and other metals, allowing them to adjust their processes and produce high-quality steel.

OES is also commonly used in the aerospace industry. In this field, OES is used to analyse the composition of materials used in the manufacture of aircraft, such as metals and alloys. The analysis of these materials helps to ensure that they meet industry standards for strength, durability, and corrosion resistance, and also provides important information for research and development efforts aimed at improving aircraft materials.

In the petroleum industry, OES is used to determine the quality of crude oil and refined products. By analysing the light emitted from a sample, refineries can determine the composition of their products and make adjustments to their processes as needed to produce high-quality gasoline, diesel, and other fuels.

In addition to these industries, OES is also commonly used in the analysis of environmental samples, such as soil and water. By analysing the light emitted from these samples, scientists can determine the presence of elements such as lead, mercury, and other contaminants, providing important information for environmental monitoring and pollution control efforts.

OES is used in many different fields, including:

  • Pharmaceuticals
  • Food safety testing
  • Environmental monitoring
  • Materials testing

Video 01:Overview of OES

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