Official Answer
Answer
Passivation wani muhimmin tsari ne na sinadarai (a kowane ASTM A967) wanda ke cire baƙin ƙarfe kyauta daga saman maɓuɓɓugan ruwan raƙuman ruwa na 17-7PH, yana haɓaka Layer chromium-oxide mai karewa. A cikin kayan aikin likitanci, wannan yana hana ɓoyayyen rami da 'shai-shai' yayin da ake maimaita zagayowar haifuwar autoclave. Tsarin ya ƙunshi nutsewa a cikin wanka na nitric ko citric acid. Don 17-7PH, ana yin wucewar wucewa bayan maganin zafi na CH900 don tabbatar da cire duk wani gurɓataccen yanayi da aka gabatar yayin murɗawa ko tsarin tsufa. Wannan yana tabbatar da daidaituwar halittu da dogaro na dogon lokaci a cikin mahallin tiyata masu mahimmanci.
