ELTRA is one of the world's leading manufacturers of combustion analyzers for rapid and accurate CHNOS analysis of solid materials. Our elemental analyzers provide tailor-made solutions for a wide range of samples and concentrations. In contrast to other methods like ICP or XRF, combustion analysis does not require elaborate sample preparation - size reduction is all it takes. ELTRA analyzers cover a measuring range from a few ppm up to 100%. The product portfolio is completed by thermogravimetric analyzers.