| 2836.20    | 100        | 1 Soda ash | 
| 2836.20    | 200        | 2 Other | 
| 2836.30    | 000        | Sodium hydrogencarbonate (sodium bicarbonate) | 
| 2836.60    |            | Other | 
| 2836.91    | 000        | Lithium carbonates | 
| 2836.99    | 000        | Other | 
| 2837.19    | 000        | Other | 
| 2839.19    | 000        | Other | 
| 2839.90    |            | Other | 
| 2839.90    | 090        | - Other | 
| 2840.11    | 000        | Anhydrous | 
| 2840.19    | 000        | Other | 
| 2840.20    | 000        | Other borates | 
| 2841.30    | 000        | Sodium dichromate | 
| 2841.50    |            | Other chromates and dichromates; peroxochromates | 
| 2841.50    | 010        | - Chromates of zinc or of lead | 
| 2841.50    | 090        | - Other | 
| 2841.69    | 000        | Other | 
| 2841.90    |            | Other | 
| 2841.90    | 090        | - Other | 
| 28.42      |            | Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides | 
| 2842.10    | 000        | Double or complex silicates, including aluminosilicates whether or not chemically defined | 
| 2842.90    |            | Other |