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Contact: Michael Baum
National Institute of Standards and Technology (NIST)

Small Piezoelectric Quartz Crystals (2 of 2)

Caption: Small piezoelectric quartz crystals are the key to micro thermogavimetric analysis. Here, the crystals, with samples on top, are baked under controlled conditions. Mass changes are detected by changes in the crystal frequency.

Credit: Kar/National Institute of Standards and Technology

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