Application Note – GLP N. 4 – Freezing solutions for different temperatures
Freezing solutions for different temperatures
|
Lowering Temperature (°C) |
Weight proportion |
|
+10-12 |
4 water + 1 potassium chloride |
|
+10-15 |
1 water + 1 ammonium nitrate |
|
+8-24 |
1 water + 1 sodium nitrate + 1 ammonium nitrate |
|
0-21 |
3 ice ground + 1 sodium chloride |
|
0-34 |
1,2 ice ground +1 magnesium chloride (MgCl2.7 H2O) |
|
0-39 |
1,2 ice ground +2 calcium chloride |
|
0-55 |
1,4 ice ground + 1 calcium chloride |
|
+15-77 |
Methanol or acetone + dry ice |
|
+15-100 |
Diethyl ether + dry ice |
