Loaʻa i ka nickel ke kūpaʻa kemika kiʻekiʻe a me ke kūpaʻa maikaʻi i ka palaho ma nā ʻano media he nui. ʻO kona kūlana electrode maʻamau he -0.25V, ʻoi aku ka maikaʻi ma mua o ka hao a me ka maikaʻi ʻole ma mua o ke keleawe. Hōʻike ʻo Nickel i ke kūpaʻa maikaʻi i ka palaho i ka loaʻa ʻole o ka oxygen i hoʻoheheʻe ʻia i nā waiwai dilute non-oxidized (e laʻa, HCU, H2SO4), ʻoi aku hoʻi i nā hopena neutral a me alkaline. ʻO kēia no ka mea hiki i ka nickel ke passivate, e hana ana i kahi kiʻi pale mānoanoa ma luna o ka ʻili, kahi e pale ai i ka nickel mai ka oxidation hou aʻe.
Nā kahua noi nui: mea hoʻomehana uila, mea pale, nā umu ʻoihana, a pēlā aku










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