نتایج جستجو برای: ferric oxide
تعداد نتایج: 185663 فیلتر نتایج به سال:
The anodically first formed oxide on gold (oxide I) reaches two complete monolayers, ie 1.5 rnCcm_’ oxide charge, before a ssond type of oxide (oxide II) starts to form. Electrochemical redox reactions with redox couples such as the tris(o-phenantroline) ferrous/ferric ion couple and others which are well known to behave reversibly on bare gold are inhibited completely by gold covered with this...
Measured pH and dissolved ferric iron concentration ([Fe(III)diss]) in contact with well-characterized hematite indicated an equilibrium with hematite immediately after synthesis, but [Fe(III)diss] increased with hydration time to be consistent with the predicted solubility of goethite or hydrous ferric oxide (HFO), hydrated analogues of hematite. X-ray diffraction did not detect structural mod...
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