| 2827.39 | 920 | - Of cobalt |
| 2827.49 | | Bromides and bromide oxides : |
| 2827.51 | 000 | Bromides of sodium or of potassium |
| 2827.59 | 100 | - Ammonium bromide |
| 28.28 | | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites |
| 28.29 | | Chlorates and perchlorates; bromates and perbromates; iodates and periodates |
| 2829.90 | 100 | - Bromates |
| 2833.27 | 000 | Of barium |
| 2834.29 | | 1 Calcium nitrate and Barium nitrate |
| 2834.29 | 200 | - Barium nitrate |
| 28.36 | | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate |
| 2836.20 | | Disodium carbonate |
| 2836.30 | 000 | Sodium hydrogencarbonate (sodium bicarbonate) |
| 2836.40 | 000 | Potassium carbonates |
| 2836.50 | 000 | Calcium carbonate |
| 2836.60 | 000 | Barium carbonate |
| 2836.91 | 000 | Lithium carbonates |
| 2836.92 | 000 | Strontium carbonate |
| 28.40 | | Borates; peroxoborates (perborates) |
| 28.40 | | Disodium tetraborate (refined borax) : |
| 2840.20 | 000 | Other borates |
| 2840.30 | 000 | Peroxoborates (perborates) |
| 2841.70 | 000 | Molybdates |