The technique used is based on exciting the metallic sample to be analysed in an argon atmosphere using a high-voltage electrical discharge. When this discharge is applied, the metal atoms enter an excited state. When they return to their fundamental state, they emit radiation at wavelengths characteristic of each chemical element. The emitted radiation is converted into electrical energy by photomultipliers, or CCD detectors in our case. Using analytical programmes and calibration curves obtained through certified standards, the emitted energy is converted into concentrations of the different elements.

Our laboratory has more than 80 certified concentration standards of the different analytical bases that we can analyse: iron, aluminium, titanium, copper and nickel. These standards ensure precise control of the calibration curves used. In addition, these standards are used to verify the correct functioning of the equipment before analysing the test sample. At Titania, we have developed specific techniques for the analysis of very small samples, such as screws, nuts, bolts, springs or pins.

Our test procedure is accredited by ENAC and NADCAP, and approved by Airbus, Bombardier, Embraer and Sikorsky. Using this procedure, we perform chemical analysis of: low and medium alloy steels, stainless steels, aluminium alloys, aluminium castings, non-gaseous elements in titanium alloys, copper alloys, and nickel alloys.