| Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    2413 | 
                    Other basic inorganic chemicals | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    241311 | 
                    Metalloids | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    241312 | 
                    Halogen or sulphur compounds of non-metals | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    241313 | 
                    Alkali or alkaline-earth metals; rare earth metals, scandium and yttrium; mercury | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    241314 | 
                    Hydrogen chloride; oleum; diphosphorus pentaoxide; other inorganic acids; silicon and sulphur dioxide | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 7 - Sub-category | 
                    241315 | 
                    Oxides, hydroxides and peroxides; hydrazine and hydroxylamine and their inorganic salts |