microprobe
(noun)
noun
1. (chemistry) an instrument used to determine the chemical composition at a point on a solid surface, such as that of a mineral; analyzes the X-rays emitted when a beam of electrons are focused on the sample
(noun)
1. (chemistry) an instrument used to determine the chemical composition at a point on a solid surface, such as that of a mineral; analyzes the X-rays emitted when a beam of electrons are focused on the sample