一种盐、酸或碱和水或冰组成的冷却剂
一种盐、酸或碱和水或冰组成的冷却剂
Refrigerants Composed by Single Salt or Acid and Water or Ice
一种盐、酸或碱可以和水或冰组成的工作中的常用冷却剂，而且操作简易、方便。X (g)盐、酸或碱和100 g 水在10～15℃时混合，温度降低△t(℃)。Y (g)盐和100 g冰混合，温度将降到冰盐点。
一种盐、酸或碱和水或冰组成的冷却剂
Refrigerants Composed by Single Salt, Acid or Base and Water or Ice
|
序号 (No.) |
盐(Salt) |
X/g |
△t/℃ |
Y/g |
冰盐点 (Cryohydric
point)/℃ |
|
1 |
CaCl2 |
250.0 |
23.0 |
42.2 |
-55.0 |
|
2 |
CaCl2·6H2O |
- |
- |
41.0 |
-9.0 |
|
3 |
CaCl2·6H2O |
- |
- |
82.0 |
-21.5 |
|
4 |
CaCl2·6H2O |
- |
- |
100.0 |
-29.0 |
|
5 |
CaCl2·6H2O |
- |
- |
125.0 |
-40.3 |
|
6 |
CaCl2·6H2O |
- |
- |
150.0 |
-49.0 |
|
7 |
CaCl2·6H2O |
- |
- |
500.0 |
-54.0 |
|
8 |
CaCl2·6H2O |
- |
- |
143.0 |
-55.0 |
|
9 |
FeCl2 |
- |
- |
49.7 |
-55.0 |
|
10 |
MgCl2 |
- |
- |
27.5 |
-33.6 |
|
11 |
NaCl |
36.0 |
2.5 |
30.4 |
-21.2 |
|
12 |
(NH4)2SO4 |
75.0 |
6.0 |
62.0 |
-19.0 |
|
13 |
NaNO3 |
75.0 |
18.5 |
59.0 |
-18.5 |
|
14 |
NH4NO3 |
100.0 |
27.0 |
50.0 |
-17.0 |
|
15 |
NH4Cl |
30.0 |
18.0 |
25.0 |
-15.0 |
|
16 |
KCl |
30.0 |
13.0 |
30.0 |
-11.0 |
|
17 |
Na2S2O3 |
70.0 |
18.7 |
42.8 |
-11.0 |
|
18 |
MgSO4 |
85.0 |
8.0 |
23.4 |
-3.9 |
|
19 |
KNO3 |
16.0 |
10.0 |
13.0 |
-2.9 |
|
20 |
Na2CO3 |
40.0 |
9.0 |
6.3 |
-2.1 |
|
21 |
K2SO4 |
12.0 |
3.0 |
6.5 |
-1.6 |
|
22 |
CH3COONa |
51.1 |
15.4 |
- |
- |
|
23 |
KSCN |
150.0 |
34.5 |
- |
- |
|
24 |
NH4Cl |
133.0 |
31.2 |
29.7 |
-15.8 |
|
25 |
(NH4)2CO3 |
30.0 |
12.0 |
- |
- |
|
26 |
Na2SO4·10H2O |
20.0 |
7.0 |
- |
- |
|
27 |
NH4SCN |
133.0 |
31.0 |
- |
- |
|
28 |
Pb(NO3)2 |
- |
- |
54.3 |
-2.7 |
|
29 |
ZnSO4 |
- |
- |
37.4 |
-6.6 |
|
30 |
ZnCl2 |
- |
- |
108.3 |
-62.0 |
|
31 |
K2CO3 |
- |
- |
65.3 |
-36.5 |
|
32 |
BaCl2 |
- |
- |
40.8 |
-7.8 |
|
33 |
MnSO4 |
- |
- |
90.5 |
-10.5 |
|
34 |
浓H2SO4 |
- |
- |
25.0 |
-20.0 |
|
35 |
66%
H2SO4 |
- |
- |
100.0 |
-37.0 |
|
36 |
稀HNO3 |
- |
- |
100.0 |
-40.0 |
|
37 |
HCl |
- |
- |
33.0 |
-86.0 |
|
38 |
NaOH |
- |
- |
23.5 |
-28.0 |
|
39 |
KOH |
- |
- |
47.1 |
-65.0 |
