| 2827.60 | | Iodides and iodide oxides: | | | | |
| 2827.60.10 | 00 | Of calcium or of copper | kg | Free | | 25% |
| 2827.60.20 | 00 | Of potassium | kg | 2.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 7.5% |
| 2828 | | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites: | | | | |
| 2828.10.00 | 00 | Commercial calcium hypochlorite and other calcium hypochlorites | kg | 2.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2829 | | Chlorates and perchlorates; bromates and perbromates; iodates and periodates: | | | | |
| 2829.11.00 | 00 | Chlorates: | | | | |
| 2829.90.05 | 00 | Potassium bromate | kg | Free | | 25% |
| 2829.90.25 | 00 | Sodium bromate | kg | Free | | 25% |
| 2829.90.40 | 00 | Of potassium | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2830 | | Sulfides; polysulfides, whether or not chemically defined: | | | | |
| 2830.90.10 | 00 | Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight | kg | Free | | 11% |
| 2830.90.20 | 00 | Cadmium sulfide | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2831 | | Dithionites and sulfoxylates: | | | | |
| 2831.10.10 | 00 | Sodium formaldehyde sulfoxylate | kg | Free | | 35% |
| 2832 | | Sulfites; thiosulfates: | | | | |
| 2832.30 | | Thiosulfates: | | | | |
| 2832.30.10 | 00 | Sodium thiosulfate | kg | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2833 | | Sulfates; alums; peroxosulfates (persulfates): | | | | |
| 2833.11 | | Disodium sulfate: | | | | |
| 2833.11 | | Sodium sulfates: | | | | |
| 2833.11.10 | 00 | Salt cake | t | Free | | Free |
| 2833.11.50 | 10 | Anhydrous | t | | | |
| 2833.21.00 | 00 | Other sulfates: | | | | |
| 2833.21.00 | 00 | Of magnesium | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
