| 
            Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives           | 
                  
                       | 
                  
            2911           | 
                  
                       | 
              
          
                  | 
            Acrylic polymers in primary forms           | 
                  
                       | 
                  
            3906           | 
                  
                       | 
              
          
                  | 
            Activated carbon; activated natural mineral products; animal-black, including spent animal black           | 
                  
                       | 
                  
            3802           | 
                  
                       | 
              
          
                  | 
            Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives           | 
                  
                       | 
                  
            2905           | 
                  
                       | 
              
          
                  | 
            Acyclic hydrocarbons           | 
                  
                       | 
                  
            2901           | 
                  
                       | 
              
          
                  | 
            Albumins, albuminates and other albumin derivatives           | 
                  
                       | 
                  
            3502           | 
                  
                       | 
              
          
                  | 
            Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde           | 
                  
                       | 
                  
            2912           | 
                  
                       | 
              
          
                  | 
            Alkali or alkaline-earth metals; rare earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury           | 
                  
                       | 
                  
            2805           | 
                  
                       | 
              
          
                  | 
            Aluminium oxide (including corundum); aluminium hydroxide           | 
                  
                       | 
                  
            2818           | 
                  
                       | 
              
          
                  | 
            Amine-function compounds           | 
                  
                       | 
                  
            2921           | 
                  
                       |