A na-eji akụrụngwa a eme ihe maka mmepụta akpaaka nke kaadị nchọpụta ọla edo colloidal.Isi ọrụ ya gụnyere: akpaka ọkọnọ nke shei ala (ụdị diski), nchọpụta akpaaka nke ntụzịaka shei ala, na ngbanwe akpaaka nke ntụzịaka shei ala, na-ebunye efere na-akpaghị aka, chọpụta na-akpaghị aka ma enwere ebe ntụpọ na efere (mkpa jiri aka tinye akara n'ebe ndị nwere nkwarụ tupu oge eruo), bepụ ibe ule na-akpaghị aka, wepụ ihe nlele nke nwere ebe ndị nwere nkwarụ na-akpaghị aka, ma na-ebunye ibe ule ozugbo na shei ala.Na-enye ihe mkpuchi elu (ụdị pan), nchọpụta akpaaka nke ntụziaka mkpuchi elu, nhazi akpaaka nke mkpuchi mkpuchi elu, ntinye akpaaka nke mkpuchi elu, akpaaka akpaaka nke mkpuchi elu, nchọpụta akpaaka nke ngwaahịa emechara, akpa akpa na akara, Ngụkọta akpaka na ọrụ ndị ọzọ.mgbe a na-etinye ihe nlele ule n'ime oghere n'ọnọdụ nke ikpe dị n'okpuru, a gaghị emebi ma ọ bụ mebie ihe nlele ahụ, na ọdịdị ahụ dị larịị, na ọnọdụ mkpuchi nke ngwugwu ahụ kwụsiri ike na nke ziri ezi.