This guide provides information for the examination of hardened concrete using scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectroscopy (EDX or EDS). Since the 1960s, SEM has been used for the examination of concrete and has proved to be an insightful tool for the microstructural analysis of concrete and its components. There are no standardized procedures for the SEM analysis of concrete. SEM supplements techniques of light microscopy, which are described in Practice C856, and, when applicable, techniques described in Practice C856 should be consulted for SEM analysis.
WJE laboratories are accredited by ANAB (ISO/IEC 17025) to perform testing standard ASTM C1723 for Examination of Hardened Concrete Using Scanning Electron Microscopy.
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KeywordsASTM C1723 - Energy-Dispersive X-Ray Spectroscopy - Hardened Concrete - Powder Coatings - Scanning Electron Microscopy
ICS CODE91.100.30 (Concrete and concrete products)
UNSPSC CODE30111500 (Concrete and mortars)
ASTM C1723-16, Standard Guide for Examination of Hardened Concrete Using Scanning Electron Microscopy, ASTM International, West Conshohocken, PA, 2016, www.astm.org