# HTS 2843: Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2843). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2843: Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2843 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals: |  |  |  |  |
| 2843.10.00.00 |   Colloidal precious metals | 5.5% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG) | 65% | g |
|  |   Silver compounds: |  |  |  |  |
| 2843.21.00.00 |     Silver nitrate | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2843.29.01.00 |     Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2843.30.00.00 |   Gold compounds | 5% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2843.90.00.00 |   Other compounds; amalgams | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |