VI

Silica sorbent reagents for laboratory and scientific use; sealing kits comprised of epoxy resins and hardeners; epoxy resins used as sealers

Metallic vacuum sealing flanges; metal coupling hardware, namely, flanges, clamps, seals, nipples, adapters, flexible couplings, elbows, tees, crosses, manually operated valves, feed throughs, all designed for use in vacuum tubing systems

Vacuum pumps used for obtaining clean high vacuum environments in analytical instrumentation and high energy physics applications; oil filters for industrial pumps

Laboratory equipment, namely, chemical extraction columns for use with quantitative and qualitative analyzers, namely, liquid extraction columns, solid phase extraction columns, high performance liquid chromatography columns for use in sample preparation analysis; thin layer chromotographic spotters; disposable wicks for thin layer chromotographic spotters; sample processors for extraction columns; multi-phase extraction columns for analysis of catecholamines; analytical extraction columns used for sample preparation prior to gas chromatography, high performance liquid chromatography, radio-immuno assay, mass spectroscopy, and ultraviolet-digital light spectroscopy; solid phase extraction columns for extracting drugs; solid phase extraction columns for use in sample preparation for environmental analysis; solid state detectors for chromotographic analysis of liquids; analytical extraction columns used for drug abuse screening; vacuum processing units used in sample collection and concentration Nuclear magnetic resonance equipment, namely, spectrometers and imaging hardware; computer programs for use in nuclear magnetic resonance applications; Scientific apparatus, namely, gas and liquid chromotographers; absorption and emission spectrophotometers, spectrometers, flux meters, electrometers; computer programs for use with spectrometer systems; computer programs used for maintaining, troubleshooting, and repairing gas and liquid chromotographers, absorption and emission spectrophotometers, spectrometers, flux meters, electrometers; gas chromatography and liquid chromatography mass spectrometer systems comprised of pumps, autosamplers, detectors, computers, computer peripherals, computer keyboards, computer monitors, computer mouses and computer software for use in the field of liquid and gas chromatography

Recorder paper

Installation, maintenance and repair services for computer systems used to perform liquid and gas chromotography analysis; installation, maintenance and repair services for gas chromatography and liquid chromotography systems

Conducting seminars and giving lectures in the field of vacuum technology

Consultation and technical support services in the fields of liquid and gas chromatography systems; consultation and technical support services in the fields of liquid and gas chromatography