Spectroscopy Potassium Nitrate Reference Standard from United States
Spectroscopy potassium nitrate reference standard is a certified reference material of potassium nitrate (KNO3) used for NIR/Raman spectroscopy calibration. It is classified under tariff item 2834.21.00 as a chemically defined compound, provided it is not put up as a certified reference material under heading 38.22.
Duty Rate — United States → Canada
0%
Import Tips
• Determine if the product is a certified reference material (CRM) with a certificate of analysis; if so, it may be classified under heading 38.22
• If not a CRM, declare it as pure potassium nitrate for laboratory use
• Provide documentation of the product's intended use in spectroscopy