Mechanical Testing of Metallic Materials
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Chemical Composition

OES Spark Emission Analysis to ASTM 415
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Chemical Analysis Test Lab

Chemical analysis using Optical Emission Spectroscopy (OES) necessitates a sufficient voltage to induce an arc between a tungsten electrode and the sample to be analyzed. As a result of the burn induced on the sample, light is emitted from the sample. Each element in the sample produces a characteristic wavelength which is measured by the spectrometer.

The intensity of each wavelength is directly proportional to the concentration present. The intensities are calibrated by curves that are generated by NIST traceable or Certified Reference Materials (CRM) standards. Results are displayed in weight percent for each element chosen to be analyzed.

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Chemical Analysis using an optical emission spectrometer

Mechanical Test Lab ISO 9001:2008 Certified

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 Quality Testing, Inc.,1832 Wooddale Blvd., Baton Rouge, Louisiana 70806
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  • Home
  • Company
    • Industries Served >
      • Defense Industry Testing
      • Foundry Castings
      • Oil & Gas
      • Petrochem
      • Shipbuilding
      • Welding & Fabrication
      • PHMSA Mega Rule Testing
    • News
    • Clients
  • Quality Management
  • Metal Testing
    • Mechanical Testing >
      • Tensile Testing
      • Charpy Impact Testing
      • Hardness Testing
      • Guided Bend Testing
    • Chemical Analysis
    • Drop Weight Tear Test
    • Weld Testing
  • Specimen Machining
  • Contact Us