SPECTRA-TECH INC.

ACCESSORIES FOR USE WITH COMPUTER-ASSISTED SPECTROPHOTOMETERS AND SPECTROMETERS USING FOURIER TRANSFORM ANALYSIS OF INFRARED RADIATION, NAMELY - REFLECTIVE AND TRANSMITTANCE MICROSCOPES, CYLINDRICAL INTERNAL REFLECTION CELLS AND REACTION CHAMBERS THEREFOR, SAMPLING BENCHES, PHOTOACOUSTIC DETECTORS, SPECULAR REFLECTANCE SAMPLING UNITS, DIFFUSE REFLECTANCE SAMPLING UNITS, ATTENUATED TOTAL REFLECTANCE UNITS, MICRO-SAMPLING UNITS, MICRO-SAMPLING BEAM CONDENSERS, GAS CHROMATOGRAPH COLLECTORS AND CELLS, LIQUID SAMPLING CELLS, GAS SAMPLING CELLS, INFRARED CURVETTES, SAMPLE HOLDERS AND DYES, PELLET-MAKING UNITS, INFRARED TRANSMITTING CRYSTALS AND POLISHING UNITS