Official Answer
Answer
Passivation magani ne na sinadarai a cikin wanka na nitric ko citric acid wanda ke cire 'ƙarfe kyauta' daga saman bakin karfe kuma yana haɓaka samuwar wani Layer chromium-oxide ($ Cr_2O_3$) mai yawa. Don zoben $17-7PH$ CH900, waɗanda ke ƙunshe da chromium da aluminium, wucewa yana da mahimmanci bayan tsarin taurin hazo. A lokacin jiyya na zafi, saman zai iya zama ɗan raguwa na chromium, ko kuma ana iya shigar da gurɓatattun abubuwa daga tanderun. Passivation yana tabbatar da cewa zoben ya cimma cikakkiyar yuwuwar juriyar lalata. A cikin ma'auni na likita da sararin samaniya (misali, AMS 2700), wucewa mataki ne na wajibi don hana 'tabon' ko 'tsatsa' a cikin mahalli mai ɗanɗano.
