Backscattered electron detector calibration standards

An electron microscope has the capacity to produce images in which contrast is controlled by t...

Gold microparticles on carbon film

This high resolution TEM test specimen is an arrangement of finely-dispersed thin gold particl...

Duplex reference specimen

An alternative and very sensitive test is by means of an alloy with two major Copper/Zinc phas...

Polystyrene latex suspension, 0.312um

Uniform polystyrene latex (size 0.204µm) is suspended on a Formvar/Carbon grid and is useful f...

Micrometers with friction stop

Metric and English scale micrometers with friction stop; comes in a padded plastic case.