Holmium Oxide (Ho2O3) from Canada
Holmium oxide serves as a calibration standard for spectrometers and in laser applications due to unique absorption bands. Classified in HTS 2846.90.80 for other rare-earth compounds. Yellowish powder.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• NIST-traceable certification for lab standards
• Small quantity imports common; declare research end-use
• Prevent contamination with other REOs