90278100

HS code 90278100 (Chapter 90 "Optical, measuring, medical instruments"; Heading 9027 "Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refracto-meters, spectrometers, gas or smoke analysis app-aratus); 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"; Subheading 902781 "Mass spectrometers") under the India tariff schedule classifies "Mass spectrometers". India customs apply Basic Customs Duty of 0, IGST 18. Statutory unit of measure: u.