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QX3 Digital Image Gallery
Darkfield Illumination
Cupric Acetate
Cupric acetate is an organometallic chemical that is used in manufacture of the dye Paris green and other pigments. The compound is also useful in production of several pesticides, as a fungicide and mold preventative, in preparing gilder's wax in fire gilding, in artificial flowers, and as a water- or oil-color pigment. Digital images of recrystallized cupric acetate are illustrated below.
Darkfield illumination digital images were captured using an Intel Play QX3 computer microscope modified for reflected light darkfield illumination. Oblique light was applied to the specimens using light pipes from a Dolan-Jenner Model 180 fiber optics illuminator containing a 150 watt projection lamp. The mixing chamber and diffusion screen were removed from the stage and a large piece of dark construction paper placed beneath the stage to avoid images of the paper being superimposed over the photomicrographs.
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