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- Beckman Instruments, Inc.[remove]27
- Scientific apparatus and instruments24
- Spectrophotometer17
- Optical spectroscopy11
- Ultraviolet spectroscopy10
- Spectrum analysis9
- Colorimetry--Instruments4
- Chromatographic analysis3
- Colorimetry3
- Hydrogen-ion concentration--Measurement--Instruments3
- Liquid chromatography3
- Beckman Instruments, Inc. Spinco Division2
- Fluorescence spectroscopy2
- Jet Propulsion Laboratory (U.S.)2
- United States. National Aeronautics and Space Administration2
- Biochemistry--Instruments1
- Connecticut Instrument Company1
- Detectors1
- Electric conductivity--Measurement1
- Electronics in space medicine1