The Advanced Light Source can be used to identify elements in batteries and fuel cells. Which of the following tools is most likely used for these purposes at the ALS?

W) Fluorescence microscopy

X) X-ray absorption spectroscopy [spek-TRAW-scuh-pee]

Y) NMR spectroscopy [spek-TRAW-scuh-pee]

Z) Confocal microscopy
X) X-RAY ABSORPTION SPECTROSCOPY