Mercury Sulfate Calibration Standard
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 4.2% | +35.0% | 39.2% |
| 🇲🇽Mexico | 4.2% | +10.0% | 14.2% |
| 🇨🇦Canada | 4.2% | +10.0% | 14.2% |
| 🇩🇪Germany | 4.2% | +10.0% | 14.2% |
| 🇯🇵Japan | 4.2% | +10.0% | 14.2% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If single mercuric sulfate compound without diluents
Sulfates of mercury classified under heading 2833 when not mixed
If for diagnostic or laboratory reagents certified for medical use
Lab diagnostic reagents may qualify for heading 3822 regardless of composition
Not sure which classification is right?
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Import Tips & Compliance
• Include certificate of analysis showing exact mercury concentration
• Declare as ORM-D if under dangerous goods thresholds
• Maintain cold chain if specified for stability
Related Products under HTS 3824.99.33.00
Mercuric Chloride Solution
Aqueous solution containing mercuric chloride (HgCl2) mixed with inorganic stabilizers for laboratory use in analytical chemistry. Classified under HTS 3824.99.3300 as a mixture of two or more inorganic compounds containing mercury, not specified elsewhere. Used primarily for qualitative and quantitative analysis in chemical testing.
Mercury Ammonium Chloride Mixture
Preparation combining mercury(II) chloride and ammonium chloride for pharmaceutical preservation applications. Falls under HTS 3824.99.3300 as it contains mercury in a mixture of inorganic compounds. Historically used in medical formulations before modern alternatives.
Mercuric Oxide Powder Blend
Powdered mixture of red mercuric oxide (HgO) with inorganic binders for battery manufacturing applications. Classified in HTS 3824.99.3300 due to mercury content in multi-compound inorganic preparation. Used in specialty mercury oxide button cell production.
Mercurous Nitrate Solution
Aqueous mercurous nitrate (Hg2(NO3)2) with nitric acid stabilizer for electrochemical applications. Classified under HTS 3824.99.3300 as mercury-containing inorganic mixture. Used in reference electrode manufacturing.
Mercury Iodide Laboratory Reagent
Mixture of mercuric iodide (HgI2) and potassium iodide for qualitative analysis in chemistry education. HTS 3824.99.3300 classification for inorganic mercury preparations. Classic Nessler's reagent component.
Mercuric Acetate Buffered Solution
Buffered mercuric acetate solution with inorganic phosphate salts for protein denaturation studies. Falls under HTS 3824.99.3300 as multi-compound mercury preparation. Biochemical research applications.