n-Pentane Calibration Standard from Canada
Certified reference n-pentane at 1000 ppm in solvent for gas chromatography calibration of hydrocarbon analyzers. Pure base compound under HTS 2901.10.30.00, with dilution per Chapter 29 note (d). NIST-traceable for environmental monitoring.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include certificate of analysis with concentration accuracy; handle as hazmat
• Issue: expiration dating on standards