Г/0 |
i i i i i i . i i i i
Оf,0 2,0 3,0 ±/J 5}Q 6,0 Вязкость, f-iQ"3 Па-с
Рис. 1. Номограмма для определения вязкости водных растворов метанола
-50
Рис. 2. Номограмма для определения давления насыщенных паров над водными растворами метанола
w~-
Рис. З. Номограмма для определения теплоемкости водных растворов метанола
249
Приложение 3. СВОЙСТВА ГЛИКОЛЕЙ И ИХ ВОДНЫХ РАСТВОРОВ
Таблица 1 Гигроскопичность этиленгликоля
содержание ЭГа в |
растворе, f |
о, при относительной влажности воздуха, |
% |
|||||
Темпера- |
||||||||
тура, к |
||||||||
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
|
255 |
85,0 |
85,0 |
71,0 |
60,0 |
45,0 |
——. |
||
261 |
93,0 |
85,0 |
71,0 |
62,5 |
47,0 |
— |
30,0 |
— |
266 |
92,0 |
85,0 |
73,0 |
63,5 |
48,0 |
38,0 |
30,0 |
20,0 |
272 |
92,0 |
85,0 |
75,0 |
64,5 |
53,0 |
40,0 |
32,5 |
20,0 |
277 |
92,0 |
86,0 |
77,0 |
68,5 |
57,0 |
45,0 |
33,0 |
20,0 |
283 |
92,0 |
87,0 |
80,0 |
71,0 |
61,2 |
48,0 |
35,5 |
20,0 |
289 |
92,2 |
88,0 |
81,3 |
72,5 |
61,5 |
50,0 |
37,5 |
23,5 |
294 |
92,5 |
88,5 |
81,3 |
73,0 |
63,5 |
52,5 |
38,5 |
23,5 |
300 |
92,5 |
88,0 |
81,5 |
74,0 |
65,0 |
53,0 |
40,0 |
26,0 |
305 |
92,5 |
88,0 |
82,0 |
75,0 |
69,5 |
55,0 |
42,5 |
27,0 |
311 |
92,5 |
88,0 |
82,0 |
75,5 |
67,0 |
56,5 |
44,0 |
28,0 |
316 |
92,4 |
88,0 |
82,5 |
76,0 |
67,5 |
58,0 |
45,0 |
30,0 |
322 |
92,3 |
88,0 |
82,5 |
76,0 |
69,0 |
59,0 |
46,0 |
30,0 |
Т а б л и ц я 2
Гигроскопичность пропиленгликоля
Температура. К |
Содер |
жание ПГа в i |
>астворе, % |
при относительной |
влажности |
воздуха, с |
-. |
||||
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
||||
255 |
93,0 |
88,0 |
78,0 |
73,7 |
70,0 |
62,5 |
45,0 |
— |
|||
261 |
93,5 |
87,5 |
78,0 |
73,7 |
70,5 |
630 |
46,0 |
30,0 |
|||
266 |
93,0 |
87,5 |
78,5 |
73,7 |
71,0 |
63,0 |
47,0 |
30,0 |
|||
272 |
92,7 |
88,0 |
79,5 |
74,0 |
71,0 |
62,0 |
48,0 |
30,0 |
|||
277 |
93,0 |
89,5 |
81,0 |
76,0 |
71,5 |
64,0 |
50,0 |
30,0 |
|||
283 |
93,5 |
90,5 |
83,0 |
77,5 |
72,0 |
66,0 |
51,0 |
31,0 |
|||
289 |
93,7 |
90,8 |
84,0 |
78,0 |
72,0 |
66,0 |
52,0 |
32,0 |
|||
294 |
94,0 |
91,0 |
85,0 |
78,5 |
73,0 |
66,5 |
52,5 |
33,0 |
|||
300 |
94,3 |
91,2 |
85,0 |
79,0 |
73,0 |
66,0 |
52,5 |
34,0 |
|||
305 |
94,4 |
91,2 |
85,5 |
79,5 |
73,5 |
67,0 |
53,0 |
35,0 |
|||
311 |
94,4 |
91,25 |
85,0 |
80,5 |
74,0 |
67,0 |
53,0 |
35,0 |
|||
316 |
94,4 |
91,26 |
86,0 |
81,0 |
75,0 |
67,5 |
53,0 |
33,0 |
|||
322 |
94,4 |
91,27 |
86,5 |
81,3 |
75,0 |
68,0 |
54,0 |
33,0 |
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