Amashubhu okuhlola we-COD akhiqizwa i-Aijiren avame ukusetshenziselwa ukuthola isidingo samakhemikhali komoyampilo. Ingilazi esetshenziswe ku-COD Test Tubes ekhiqizwe i-Aijiren inokumelana nezinga lokushisa eliphezulu, ukumelana nokugqwala, futhi ingawavikela kahle amasampula ngaphandle kokuthinta imiphumela yokuhlola. Izinto zokusetshenziswa ze-Aijiren zingezekhwalithi ephezulu kanye nesipiliyoni sokukhiqiza Ngokuchichimayo, ngamanani omkhiqizo avumayo, ingumnikezeli wekhwalithi ephezulu wezinto ezisetshenziswayo zechromatographic.