Raws li kev tswj hwm nruj, peb cov khoom lag luam cadmium muaj kev ua tau zoo, txhim khu kev qha zoo thiab siab purity siab heev los ntawm 5N txog 7N (99.999% txog 99.99999%), uas tuaj yeem txaus siab rau ntau qhov chaw uas xav tau cov khoom siv cadmium zoo. Cia peb ua tib zoo saib ntau qhov zoo thiab cov ntawv thov uas peb cov khoom siv cadmium yog qhov tseem ceeb hauv ntau qhov kev lag luam.