TABLE 263.— THE JOULE-THOMSON EFFECT ON ARGON 85 279 



fi as a function of t and p, t \n °C, p in atm, m in °C/atm. 



85 Phys. Rev., vol. 46, p. 785, 1934 (corrected). 



TABLE 264.— THE JOULE-THOMSON EFFECT IN NITROGEN 88 



M as a function of t and p, t in °C, p in atm, n in °C/atm. 



t/p 1 atm 20 33.5 60 100 140 180 200 



300°C .0140 .0096 .0050 —.0013 —.0075 —.0129 —.0160 —.0171 



250 .0331 .0256 .0230 +.0160 +.0071 +.0009 —.0037 —.0058 



200 .0558 .0472 .0430 .0372 .0262 .0168 +.0094 +.0070 



150 .0868 .0776 .0734 .0628 .0482 .0348 .0248 .0228 



125 .1070 .0973 .0904 .0786 .0621 .0459 .0347 .0326 



100 .1292 .1173 .1100 .0975 .0768 .0582 .0462 .0419 



75 .1555 .1421 .1336 .1191 .0941 .0740 .0583 .0543 



50 .1855 .1709 .1621 .1449 .1164 .0915 .0732 .0666 



25 .2217 .2060 .1961 .1729 .1400 .1105 .0874 .0779 



.2656 .2494 .2377 .2088 .1679 .1316 .1015 .0891 



- 25 .3224 .3013 .2854 .2528 .2001 .1506 .1101 .0932 



- 50 .3968 .3734 .3467 .3059 .2332 .1676 .1120 .0909 



- 75 .5033 .4671 .4318 .3712 .2682 .1735 .1026 .0800 



- 87.5 .5710 .5247 .4854 .4096 .2808 .1619 .0933 .0733 

 -100 .6490 .5958 .5494 .4506 .2754 .1373 .0765 .0587 

 -112.5 .7430 .6841 .6208 .4923 .2254 .0932 .0488 .0346 

 -125 .8557 .7948 .7025 .4940 .1314 .0498 +.0167 +.0032 

 -137.5 .9972 .9364 .7964 .2364 .0638 +.0177 -.0181 -.0175 

 -150 1.2659 1.1246 .1704 .0601 +.0202 —.0056 —.0211 —.0284 

 -160 1.6328 +.0724 +.0311 +.0068 —.0088 —.0175 —.0263 —.0315 

 -170 2.0048 —.0108 —.0382 



-180 2.3923 



88 Phys. Rev., vol. 48, p. 45, 1935 (corrected). 



SMITHSONIAN PHYSICAL TABLES 



