Sigma Instruments/ Sohm Technologies

An Neptune T2 Optical Emission Spectrometer is an analytical instrument that determines the elemental composition of a sample by measuring the light emitted from excited atoms or ions, typically after applying a spark or plasma source. Here's a more detailed explanation:

• How it works:
  • Excitation: A sample is energized, often by an electrical spark or plasma, causing atoms or ions within the sample to become excited to higher energy states. 
  • Emission: As the excited atoms or ions return to their ground state, they release energy in the form of light (photons) at specific wavelengths (characteristic of the element). 
  • Measurement: The OES instrument measures the intensity of these emitted light wavelengths, allowing for the identification and quantification of the elements present in the sample. 

Applications:

• Metal Analysis: OES is widely used for elemental analysis in the metals industry, including production control, R&D, incoming material inspection, and scrap sorting. 
• Other Applications: OES can also be used in various other fields like geology, biology, and environmental analysis. 

Types of OES:

• Arc-Spark OES: This technique uses a spark generated between an electrode and a metal sample to excite the atoms. 
• ICP-OES: Inductively Coupled Plasma Optical Emission Spectrometry uses a plasma to excite the sample. 

Advantages:

• Rapid Analysis: OES offers rapid elemental analysis, making it suitable for process control and quality assurance. 
• Versatility: OES can analyze a wide range of elements and sample types, including solids, liquids, and gases. 
• Accuracy and Precision: OES provides precise and accurate elemental analysis. 

An Optical Emission Spectrometer (OES) determines a material's elemental composition by exciting its atoms (usually metals) with an arc or spark, causing electrons to jump to higher energy levels and then emit light at unique wavelengths as they fall back, which detectors measure to identify elements and their concentrations, offering fast, accurate analysis for quality control in industries like steel and aluminum production

An Optical Emission Spectrometer (OES) is a fast, accurate tool for determining the elemental makeup of solid metals, working by exciting atoms with a spark or arc to make them emit light; this light is then separated by wavelength and measured, with the intensity of each element's unique light signature revealing its concentration, making it vital for metal quality control in industries like steel and aluminum production.