2804.29.00/Argon-38 Calibration Gas/Mexico

Argon-38 Calibration Gas from Mexico

Stable isotope argon-38 gas mixture (trace levels) in 1-liter cylinders for mass spectrometry instrument calibration. HTS 2804.29.00 applies as rare gas standard reference material. Certified against NIST traceable standards.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Include NIST certificate of analysis; declare as reference standard for duty preference; pitfall is undervaluing based on trace isotope content

Argon-38 Calibration Gas from Mexico — Import Duty Rate | HTS 2804.29.00