📂 Category 9027

 
 
90
9027
  Instruments et appareils pour analyses physiques ou chimiques (polarimètres, réfractomètres, spectromètres, analyseurs de gaz ou de fumées, par exemple); instruments et appareils pour essais de viscosité, de porosité, de dilatation, de tension superficielle ou similaires ou pour mesures calorimétriques, acoustiques ou photométriques (y compris les indicateurs de temps de pose); microtomes

📖 About this code

This category covers instruments designed for separating and analyzing chemical mixtures based on their physical or chemical properties. It includes devices like gas chromatographs, liquid chromatographs, and electrophoresis apparatus used in laboratories for research, quality control, and diagnostics.

Chromatographs and electrophoresis instruments

📦 Example products classified here

  • Gas chromatograph
  • Liquid chromatograph (HPLC)
  • HPLC system
  • Ion chromatograph
  • Size exclusion chromatograph
  • Affinity chromatograph
  • Gel permeation chromatograph
  • Capillary electrophoresis apparatus
  • Gel electrophoresis system
  • 2D electrophoresis
  • Electrophoresis gels
  • UV detector for HPLC
  • Mass detector for chromatography
  • Preparative chromatography system
  • Partition chromatograph
  • Ion exchange chromatograph
  • Chromatography analyzer
  • Electrophoresis equipment

🚫 NOT classified here

  • × Spectrometers (unless integrated with a chromatograph)
  • × pH meters
  • × Viscometers
  • × Refractometers (as standalone instruments)
  • × General laboratory glassware
  • × Centrifuges
  • × Microscopes

⚠️ Easily confused codes

Double-check: these codes cover similar but distinct products.