ASTM C1723

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ASTM C1723 – Standard Guide for Examination of Hardened Concrete Using Scanning Electron Microscopy


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/C856M, and, when applicable, techniques described in Practice C856/C856M should be consulted for SEM analysis. For further study, see the bibliography at the end of this guide.


analysis of concrete; EDX (EDS); energy-dispersive X-ray spectroscopy; microanalysis; microscopy; petrography; photomicrographs; scanning electron spectroscopy; SEM


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