Mercury Sulfate Calibration Standard from Mexico
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 — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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