Mercury Sulfate Calibration Standard from Japan
Standardized solution of mercuric sulfate (HgSO4) in sulfuric acid matrix for atomic absorption spectroscopy calibration. HTS 3824.99.3300 applies as inorganic mercury compound mixture for laboratory analysis. NIST-traceable for environmental monitoring.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include certificate of analysis showing exact mercury concentration
• Declare as ORM-D if under dangerous goods thresholds
• Maintain cold chain if specified for stability