SILICON DIOXIDE POWDER FOR USE IN THE MANUFACTURE OF HIGH PERFORMANCE LIQUID CHROMOTOGRAPHY COLUMNS (HPLC)AND SAMPLE PREPARATION CARTRIDGES.
Justification du classement
CLASSIFICATION IS DETERMINED BY GENERAL INTERPRETATIVE RULES 1 AND 6
THE TEXT OF CODES 2811, 2811 22, 2811 22 00
THE HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 2811