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Posttest

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Quantitative X-ray Metallography using Electron Probe Micro Analyzer

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In electron microprobe analysis, which X-ray lines are most commonly used for compositional analysis?

a: L-lines Explanation

Explanation

b: K-lines Explanation

Explanation

c: M-lines Explanation

Explanation

d: N-lines Explanation

Explanation

Which of the following elements is challenging to analyze using EPMA?

a: Oxygen (O) Explanation

Explanation

b: Silicon (Si) Explanation

Explanation

c: Iron (Fe) Explanation

Explanation

d: Uranium (U) Explanation

Explanation

In quantitative X-ray metallography, what role does the 'ZAF correction' play when using an electron microprobe analyzer?

a: It adjusts for variations in magnification Explanation

Explanation

b: It compensates for the interaction of X-rays with the detector Explanation

Explanation

c: It corrects for atomic number, absorption, and fluorescence effects Explanation

Explanation

d: It enhances the resolution of the X-ray image Explanation

Explanation

In EPMA, what does the term 'wavelength dispersive spectrometry' (WDS) refer to?

a: A method to measure the energy of X-rays Explanation

Explanation

b: A technique to separate X-rays based on their wavelengths using a diffraction crystal Explanation

Explanation

c: A way to increase the spatial resolution of the analysis Explanation

Explanation

d: A type of detector used for secondary electrons Explanation

Explanation

What is the primary use of Line Scan Imaging in EPMA?

a: To generate high-resolution surface topography images Explanation

Explanation

b: To analyze the variation in elemental composition along a specific line on the sample Explanation

Explanation

c: To identify defects in the sample's crystal structure Explanation

Explanation

d: To create a 3D model of the sample surface Explanation

Explanation

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