Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes; parts and accessories thereof:

9027.10Gas or smoke analysis apparatus: 9027.10.20.00Electrical 9027.10.40.00Optical instruments and apparatus 9027.10.60.00Other 9027.20Chromatographs and electrophoresis instruments: 9027.20.50Electrical 9027.20.50.30Electrophoresis instruments 9027.20.50.50Gas chromatographs 9027.20.50.60Liquid chromatographs 9027.20.50.80Other 9027.20.80Other 9027.20.80.30Gas chromatographs 9027.20.80.60Liquid chromatographs 9027.20.80.90Other 9027.30Spectrometers, spectrophotometers and spectrographs using optical radiations (ultraviolet, visible, infrared): 9027.30.40Electrical 9027.30.40.40Spectrophotometers 9027.30.40.80Other 9027.30.80Other 9027.30.80.20Spectroscopes 9027.30.80.80Other 9027.50Other instruments and apparatus using optical radiations (ultraviolet, visible, infrared): 9027.50.10.00Exposure meters 9027.50.40Electrical 9027.50.40.15Chemical analysis instruments and apparatus 9027.50.40.20Thermal analysis instruments and apparatus 9027.50.40.50Photometers 9027.50.40.60Other 9027.50.80Other 9027.50.80.15Chemical analysis instruments and apparatus 9027.50.80.20Thermal analysis instruments and apparatus 9027.50.80.60Other 9027.81.00.00Mass spectrometers 9027.89Other: 9027.89.25.00Nuclear magnetic resonance instruments 9027.89.45Electrical 9027.89.45.30Chemical analysis instruments and apparatus 9027.89.45.60Physical analysis instruments and apparatus 9027.89.45.90Other 9027.89.80Other 9027.89.80.30Chemical analysis instruments and apparatus 9027.89.80.60Physical analysis instruments and apparatus 9027.89.80.90Other 9027.90Microtomes; parts and accessories: 9027.90.20.00Microtomes 9027.90.45.00Printed circuit assemblies for the goods of subheading 9027.81 or 9027.89 9027.90.54.00Of electrophoresis instruments not incorporating an optical or other measuring device 9027.90.56Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 9027.90.56.25Of articles of subheading 9027.20.50 9027.90.56.30Of articles of subheading 9027.30.40 9027.90.56.40Of articles of subheading 9027.50.10 9027.90.56.50Of articles of subheading 9027.50.40 9027.90.56.95Other 9027.90.59Other 9027.90.59.10Of articles of subheading 9027.10.20 9027.90.59.95Other 9027.90.64.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 9027.90.68.00Other 9027.90.84.00Of instruments and apparatus of subheading 9027.20, 9027.30, 9027.50, 9027.81 or 9027.89 9027.90.88.00Other