Answer
Mu buhanga mu bya farumasi, amasoko y’amazi agomba kuba adafite imyanda yose yanduye kandi ikagira igipande gikomeye cya oxyde oxyde kugirango irinde kwangiza ioni. Kugabanuka kwumwuka ukoresheje chlorine cyangwa fluor feri ikuraho amavuta asigaye muburyo bwo gutekesha. Ibi bikurikirwa na passivation ukurikije ASTM A967, mubisanzwe ukoresheje ubwogero bwa acide nitric cyangwa citric. Passivation ishonga ibyuma byubusa hejuru kandi byongera igipimo cya chromium na fer muri firime yo hejuru, bigatera imbere cyane kurwanya ruswa. Kuri 316 idafite umwanda, aside citric ikunze gukundwa kubwimpamvu z’ibidukikije ndetse nubushobozi bwayo bwo gutobora neza ibyuma bitarinze kwibasirwa n’ibanze, kwemeza ko amasoko yujuje ibisabwa na FDA kugirango isuku.
