This is my idea of photography.
I took this picture ('captured this image' is the technical phrase) with a scanning electron microscope. This microscope is not the one you have in your high school lab. For instance, this particle has been magnified 15,000 times its original size.
It's chemically oxidized zinc. We think the round particle in the center is atomized zinc. They melt the zinc, blow it up into the air with nitrogen and while cooling, it turns into a very round shape. This semi-spherical particle may be one that was not milled and so retained its shape.
This picture was taken with a Hitachi S-3400-N instrument. It's probably the one that we will be buying. Maybe.
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