, - , . , - .
, - , , , - - , , -, ,
. - , - - 1
1 -
1 - , 2 - -1, 3 - , 4 - , 5 - , 6 - -130, 7 - 1, 8 - -1-
, , 22 1 - (), 2 -
, - () , -
- ,
|
|
, - , . -
, - -- (*), -
1.2 -
1.3 :
) - .
) -
) -
1. 4 , , , - .
, .
, , , , ,
, * , -
, , -, - , -, - - (*) ()
|
|
- - , (1,4-), - -
, (I) (), - (IV) ( 1)
, - (II), - ( 3)
1
1- (V)
103, /3 | 103,/3 | Cred103,/3 | pH | V0104, /(*) | |||
1,0 | 10,0 | 1,0 | 6,92 | 5,19 | |||
2,0 | 10,0 | 1,0 | 6,92 | 10,40 | |||
3,0 | 10,0 | 1,0 | 6,92 | 13,92 | |||
- | 2,0 | 3,0 | 1,0 | 6,92 | 3,46 | ||
2,0 | 5,0 | 1,0 | 6,92 | 4,67 | |||
2,0 | 30,0 | 1,0 | 6,92 | 41,60 | |||
- | 2,0 | 10,0 | 0,1 | 6,92 | 22,39 | ||
2,0 | 10,0 | 0,5 | 6,92 | 4,68 | |||
2,0 | 10,0 | 5,0 | 6,92 | 1,41 | |||
2,0 | 10,0 | 1,0 | 6,49 | 2,03 | |||
2,0 | 10,0 | 1,0 | 6,92 | 10,96 | |||
2,0 | 10,0 | 1,0 | 7,41 | 12,56 | |||
2,0 | 10,0 | 1,0 | 7,89 | 34,91 | |||
(, , d ) (0,98-0,99), 2
2-
lg V0 = f(lg C) | : | r | |||
- | red - | - | |||
y =1,1x-0,05 | 0,99 | ||||
y =-0,7x+0,58 | -1 | 0,97 | |||
y =0,9x+0,72 | 0,99 | ||||
y =0,8x-4,46 | 0,90 |
, , , :
(4)
R - -O-C6H4-O- .
- .
HO-R-OH <=> HO-R-O- + H2O (5)
HO-R-OH- + - <=>RO2-+H2O (6)
RO2+Fe(CN)63- <=> -O-R-O+ Fe(CN)64- (7)
-O-R-O+Fe(CN)63<=>+Fe(CN)64- (8)
:
HO-R-OH+2OH-+2Fe(CN)63- <=> + Fe(CN)64- (9)
3 , [] 02*.
3 -
|
|
pH | Copr*103, /3 | , | [Ox]p*103, /3 | 02*, | 02*(), | 0, |
6,5 | 5,38 6,93 8,35 | 708 6 | 710 5 | 680 711 | ||
7,0 | 3,59 6,18 8,05 | 709 5 | ||||
7,5 | 2,51 6,01 | 713 4 | ||||
8,0 | 2,23 5,88 | 711 5 |
, , , - - .