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Section XVIII — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; clocks and watches; musical instruments; parts and accessories thereof

Chapter 90 — Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof

Heading 9027 — 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.

National subdivision 9027.8 — Other instruments and apparatus

Subheading 9027.81 — Mass spectrometers

HS code

9027.81.00 Mass spectrometers

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Last Verified Date - 1 October 2026

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