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High altitudes lower boiling points. So if you
are recycling solvents much above sea level then your solvent recycling
program may not work as intended. Not to worry. It is easy to
make adjustments to your solvent recycling programs to compensate for this
effect. The table below shows how much you must decrease the
temperatures in your solvent recycling program depending on your altitude.
| Boiling Point versus Altitude Table |
| Altitude Above Sea Level |
Pressure |
Decrease in Boiling Point of n-Heptane 98.4 ºC |
| Feet |
Meters |
mm Hg Absolute |
ºC |
| 0 |
0 |
760.0 |
0 |
| 500 |
153 |
746.3 |
0.8 |
| 1000 |
305 |
733.0 |
1.4 |
| 1500 |
458 |
719.6 |
2.0 |
| 2000 |
610 |
706.6 |
2.6 |
| 2500 |
763 |
693.9 |
3.2 |
| 3000 |
915 |
681.2 |
3.9 |
| 3500 |
1068 |
668.8 |
4.5 |
| 4000 |
1220 |
656.3 |
5.1 |
| 4500 |
1373 |
644.4 |
5.7 |
| 5000 |
1526 |
632.5 |
6.3 |
| 6000 |
1831 |
609.3 |
7.6 |
| 7000 |
2136 |
586.7 |
8.8 |
| 8000 |
2441 |
564.6 |
10.1 |
| 9000 |
2746 |
543.3 |
11.3 |
| 10,000 |
3050 |
522.7 |
12.5 |
| 15,000 |
4577 |
429.0 |
18.7 |
| 20,000 |
6102 |
349.5 |
24.8 |
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