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A Mirrored Test Tube for Fluorescence Analysis

Volume 17, Number 1 (Jan. 1963) Page 26-27

Laikin, Milton

Various techniques have been used to increase the fluorescence energy from a cuvette by making part of the cuvette a mirror (1). This is particularly important when one tries to record the fluorescent spectra of weakly fluorescing solutions. The use of most mirror materials (aluminum foil, evaporated aluminum, silver, etc.) provides a convenient but fragile mirror surface. Evaporated Nichrome V however, provides a mirror of 50% reflectivity at 500 millimicrons which is impervious to all laboratory chemicals. It is an extremely hard film and withstands normal handling.