Interstitial Elements

Interstitial Elements such as hydrogen, oxygen, nitrogen, carbon and sulfur impact the physical properties of manufactured materials. Luvak analyzes hydrogen content using the following analytical methods and equipment:

  • Inert Gas Fusion method: ASTM E1447 

Hydrogen is determined quickly and accurately using the Leco RH-404 Hydrogen Analyzer.

  • Vacuum Hot Extraction method: ASTM E146

An alternative to inert gas fusion, this technique’s fixed calibration provides improved precision for determination of hydrogen content from 0.1ppm to percentages with lower sample mass.

Luvak analyzes oxygen content using ASTM methods B170, C1494, E1019, E1409, E1569 and E2575 and nitrogen content using ASTM methods E1019, E1409 and E1494. Luvak has experience with determination of oxygen and nitrogen content ranging from trace amounts less than 5ppm to the percentages present in metal oxides and nitrides. This testing uses the Inert Gas Fusion Method on the Leco TC-436 Oxygen-Nitrogen Analyzer.

Luvak determines carbon analysis using ASTM methods E1019, E1915 and E1941 and sulfur analysis using ASTM methods D129, D800, D4327 and E 1019. Using the Combustion Infrared Detection Method on the Leco CS-200 Carbon-Sulfur Analyzer to determine carbon content ranging from trace amounts less than 5 ppm to the percentages present in metal carbides.

Gasses

Luvak measures the presence of interstitial elements from ppm levels to percentage levels.

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