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10 (2)
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2011
² | VISNIK |
of the VOLODYMYR DAL east | |
UKRAINIAN national university | |
10 (2) 2011 | 10 (2) 2011 |
the scientific journal | |
1996 | was founded in 1996 |
- | it is issued eighteen times a year |
Founder | |
of the Volodymyr Dal East Ukrainian National University | |
̳ | Registered by the Ministery of Yustice of Ukraine |
15607-4079 18.08.2009 . | Registration Certificate KB 15607-4079 dated 18.08.2009 |
(. 3 2010 .), (. 5 2010 .), (. 3 2010 .), (. 11 2010 .) , , .
ISSN 1998-7927
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( 10 27 2011 .)
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, 2011
Of the Volodymyr Dal East Ukrainian National University, 2011
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546.214:66.094.3+544.47:546.3
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CrIII
CrIII CrVI . . 2 ., 1 ., 10 ..
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[1,2] , CrIII () CrIII → CrIV → CrV → CrVI, CrIII CrIV , - () /- 2 CrIII/CrIV (. 4) [3]. , , MnII:
3 + MnII + H+ → MnIII + + O2 (1)
CrIII -:
+ CrIII → CrIV + - (2)
+ MnII → MnIII + - (3)
, CrIV CrVI -.
CrIII CrIII CrVI:
(4) |
[4].
, CrIII , 1,34, CrIV CrV. MnII MnIII, 1. .
, . 1, CrIII (II), FeIII/FeII 0,77, CrIV/CrV. , , , CrIII CrVI.
, +/ CrVI
/ | k, / | r0 107,/ | ||
MnII + 3 MnIII + + + O2 | 3,9103 | 1,51 | < 0,1 | |
MnIII + 3 MnIV + + + O2 | 28,5 | 1,71 | 230-290 | |
FeII + 3 FeIII + + + O2 | ~ 1105 | 0,771 | (pH=3) 180 | |
CeIII + 3 CeIV + + + O2 | 1,76-2,6 | [H2SO4] = 1 4,2 | ||
TiIII + 3 TiIV + + + O2 | < 0,5 | 0,15÷0,18 | < 0,1 |
CrIII . [5,6] [7,8] [9], :
(H2O)5M-OSO2O-M(H2O)5 M=MnII, MnIII, CrIII, FeII, FeIII (5)
(6) |
[3-9] CrIII , CrIIIMnIII, CrVI :
(7) |
OMn(H2O)5] (H2O)5CrIII-OSO2O-MnIII(H2O)4O3
(H2O)5CrV- OSO2O-MnIII(H2O)5 → H2CrVIO4 + (H2O)4MnIISO4 + H2O
:
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MnIII + CrIII [MnIIICrIII] (8)
MnIII + MnIII [MnIII MnIII] (9)
[MnIIICrIII] + O3 MnII + CrIV (10)
[MnIII MnIII] + O3 2MnIV (11)
MnII + MnIV 2MnIII (12)
[1,2] .1 MnIV CrVI CrIII MnIII 11,3 .
= 293; [MnIII]0 = 610-2M; [CrIII]0 = 0,173M; [O3]0 = 1,510-3M; CrIII MnIII .: [CrIII] = ([CrIII]0 - [CrVI]); [MnIII] = ([MnIII]0 - [MnIV]).
. 1. MnIV CrVI CrIII MnIII 11,3 [2].
:
(13) |
r8 = r10 (14)
r9 = r11 (15)
r10 = r12 (16)
CrIII CrVI:
33 + 2CrIII + 6H+ → 2CrVI + 3O2 + 2H2O (17)
:
3r10 = 2(r10 + r11) (18)
:
r10 = 1,5r11 (19)
(20) |
. 2 . 1 (20), (8-12).
= 293; [MnIII]0 = 610-2M; [CrIII]0 = 0,173M
. 2. CrVI MnII CrIII 11,3 .
(II). (4) (7) CrIII , 0,55, CrV CrVI. , FeIII/FeII = 0,771. CrVI CrIII 1 3. , -, , , FeII, FeIII CrIII, - , , . , -, :
(22) |
(21) |
, CrIII CrVI .
, , [10] , ( ) - .
:
1. .. ( , ): . . . , 1987. 360 .
2. .. (III) / .. , .. , .. , .. // ³ ϲ. 2008. - 13. . 149-156.
3. Koppenol W.H. The oxidizing nature of the hydroxyl radical. A comparison with the ferryl ion (FeO)2+ / W.H. Koppenol, J.F. Liebman // J. Phys. Chem. 1984. Vol. 88. - 1. . 99-101.
4. . // -20630 . - . 1973. .27. - 4. .317-331 / . . . .
5. .. / .. , .. // ³ . .. 1999. - 4. . 31-35.
6. .. Fe2+ / .. , .. , .. . // . 1994. . 35. - 2. . 32-39.
7. .. - / .. , .. , .. , .. // ... 2009. .75. - 10. - . 90-94.
8. .. - (III) (II,III) / .. , .. , .. , .. // ³ ϲ. 2008. - 33. . 91-94.
9. Conocchioli T.J. The formation of iron (IV) in the oxidation of iron (II) / T.J. Conocchioli, E.J. Hamilton, N. Sutin // J. Am. Chem. Soc. 1965. Vol. 87. - 4. . 926-927.
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10. - : . .: , 1978. . 2. . 82-89.
542.943.7:541.124-145.15:547.536.214
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