… for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and …
Explanatory notes
… for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis … using optical radiations (UV, visible, IR) 9027.50 ‑ Other instruments and apparatus using optical radiations … device comprising polarising and analysing prisms, a tube holder in which the substance to be analysed is placed, an …