What is "ultrapure"

Usage examples of "ultrapure".

Over the next few hours Kalliana and other inspectors endured tours of machinery and facilities: chip imprinters where lasers drew incredibly small patterns through focal lenses onto ultrapure substrates, pharmaceutical culturing labs where tiny petrie dishes were surrounded by cold air and ultraviolet light.

The surplus mass had mostly been thick-walled capillary tubes of boron carbide, containers for thin crystals of ultrapure uranium-235 tetraiodide, and a large supply of cadmium.