LECO analysis is a reliable method for determining the concentration of elements within a metallic sample, including Carbon, Hydrogen, Nitrogen, Oxygen and Sulfur. Our trusted experts help manufacturers better understand the properties of their material. 

Elemental inconsistencies within metal processing can cause extreme changes in material composition and properties. Because of its accuracy and low detection limits, LECO analysis is often utilized as a process verification tool to help ensure that the proper level of these elements are present in metallic samples after various manufacturing stages.


How is LECO analysis performed? 

LECO analysis uses infrared absorption and thermal conductivity to measure combustion gases within a metallic sample. This process determines the presence and concentration of carbon, sulfur, oxygen, nitrogen or hydrogen. LECO analysis converts the elements from a sample into their oxidized form by utilizing either the gas fusion method (Hydrogen, Nitrogen, and Oxygen) or the combustion method (Carbon and Sulfur).


The Element advantage

We perform routine LECO analysis in our high capacity chemical analysis laboratories across the US and Europe according to many popular ASTM and NADCAP specifications. If your requirements fall outside of typical industry standards, our Engaged Experts can work with you to develop an individualized approach to achieve your end goals. 

For more information about our chemical analysis and LECO analysis capabilities, contact us today

American Society for Testing and Materials 

ASTM E1019, ASTM E1409, ASTM E1447, ASTM E1937, ASTM E1941, ASTM E2792


G1, G2, G3, G4, G5

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