Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof
HS code
90278100
Mass spectrometers
Common commodities
Quadrupole ion mass spectrometer for compound identificationTime-of-flight mass spectrometer for isotopic composition measurementIon trap mass spectrometer for elemental analysisMagnetic sector mass spectrometer for accurate mass determinationICP-MS system for heavy metal detectionHigh precision quadrupole mass spectrometerTime-of-flight ion analyzer for compound identificationIon trap mass instrument for complex mixture analysisMass spectrometer for isotope ratio measurementSensitive magnetic sector mass spectrometer for trace element analysis