59:
solution. The use of cerium(IV) salts as reagents for volumetric analysis was first proposed in the middle of 19th century, but systematic studies did not start until about 70 years later. Standard solutions can be prepared from different Ce salts, but often
174:
whereas any nonstoichiometry above Fe will oxidize Mohr's salt. In the second- and third-row transition metals, only the early elements would be suitable for the titration, and the limiting oxidation states are
170:. In addition, any nonstoichiometry in the Fe(III)–Fe(II) range is titrated directly with no additives, any nonstoichiometry below Fe will reduce 1 M FeCl
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51:) color change indicates the end point. Ferroin can be reversibly discolored in its oxidized form upon
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of oxides containing several elements in oxidation states suitable for cerimetry is determined in one
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solution whereas any nonstoichiometry above them will oxidize the Mohr's salt:
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According to tabulated values of standard potentials at pH 0 for the first-row
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Karen, Pavel (2006). "Nonstoichiometry in oxides and its control".
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Handbook on the
Physics and Chemistry of Rare Earths, Volume 36
127:) is added to obtain a less colored phosphato complex of Fe.
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ions are too close to E for Fe/Fe as well as to each other.
75:
levels that either oxidize Fe or reduce Fe. For the case of
266:"Chapter 229: Applications of tetravalent cerium compounds"
272:. The Netherlands: Elsevier. pp. 286–288.
79:, a precise excess of high-purity crystalline
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83:is added upon the oxide digestion in aqueous
8:
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67:Since cerimetry is linked to the Fe/Fe
71:pair, it can be used for analyses of
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298:Journal of Solid State Chemistry
199:. Standard potentials involving
264:Gschneidner K.A., ed. (2006).
1:
27:, is a method of volumetric
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318:10.1016/j.jssc.2006.06.012
142:will reduce 1 M FeCl
94:), while for the case of
98:, an excess of 1 M
342:Analytical chemistry
138:below the following
21:cerimetric titration
337:Romanian inventions
310:2006JSSCh.179.3167K
45:1,10-phenanthroline
304:(10): 3167–3183.
279:978-0-444-52142-2
132:transition metals
85:hydrogen chloride
73:nonstoichiometric
29:chemical analysis
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231:Nonstoichiometry
205:Nonstoichiometry
140:oxidation states
136:nonstoichiometry
100:iron trichloride
23:, also known as
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241:Oxidizing agent
236:Redox indicator
226:Redox titration
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112:phosphoric acid
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37:redox titration
25:cerate oximetry
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39:in which an
33:Ion Atanasiu
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81:Mohr's salt
64:is chosen.
331:Categories
252:References
108:hydrolysis
35:. It is a
352:Titration
221:Iodometry
209:titration
96:reduction
77:oxidation
53:titration
47:complex (
17:Cerimetry
215:See also
306:Bibcode
201:rhenium
55:with a
49:ferroin
347:Cerium
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195:, and
166:, and
134:, any
102:(FeCl
69:redox
43:(II)–
274:ISBN
41:iron
314:doi
302:179
19:or
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312:.
300:.
288:^
268:.
211:.
193:Ta
191:,
189:Hf
187:,
185:Mo
183:,
181:Nb
179:,
177:Zr
168:Ni
164:Co
162:,
160:Mn
158:,
156:Cr
154:,
150:,
148:Ti
114:(H
92:Cl
57:Ce
320:.
316::
308::
282:.
197:W
172:3
152:V
144:3
125:4
122:O
119:P
116:3
104:3
89:H
87:(
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