150 



INFRA-RED ABSORPTION SPECTRA. 



Table VIII a. — Obser\^d Transmission, Using Small Spectrometer, and Prism 

 AT Variable Deviation, as Explained in the Text — Continued. 



I ■ u 



"> S a • 



i- = S ii 



£.- cc p 



Thickness in] 

 mm. J 



0.24 



0.15 



0.15 



0.15 



3 14 

 16 

 19 

 22 

 24 

 26 



3 29 

 32 

 34 

 36 

 39 



3 42 

 44 

 47 

 49 

 51 

 54 

 56 

 59 



4 4 

 9 



14 

 19 

 22 

 24 

 26 

 29 



4 32 

 34 

 39 

 44 

 49 

 54 

 59 



5 4 

 9 



14 

 19 

 24 

 29 

 34 

 39 

 44 

 49 

 54 



6 00 

 10 

 20 

 30 

 40 

 45 

 50 



7 00 

 10 

 80 

 bO 

 40 



8.20 

 8.27 

 8.35 

 8.46 

 8.56 

 8.63 

 8.70 

 8.80 

 8.90 

 8.97 

 9.07 

 9.13 

 9.19 

 9.29 

 9.35 

 9.45 

 9.60 

 9.76 

 9.92 

 10.06 

 10.15 

 10.21 

 10.26 

 10.35 

 10.42 

 10.48 

 10.61 

 10.75 

 10.90 

 11.00 

 11.14 

 11.25 

 11.41 

 11.53 

 11.65 

 11.80 

 11.92 

 12.03 

 12.18 

 12.30 

 12.42 

 12.54 

 12.66 

 12.93 

 13.17 

 13.40 

 13.62 

 13.72 

 13.85 

 14.05 

 14.26 

 14.45 

 14.63 

 14.82 



8.5 

 11.3 



16.3 

 17.5 

 20.0 

 19.4 

 18.8 

 19.4 

 16.8 



18.5 

 25.5 

 27.5 

 28.2 



22.8 

 15.4 

 12.5 

 15.0 

 16.4 

 16.0 

 20.2 



26.8 



25.2 

 25.8 

 27.0 

 28.4 

 21.2 

 15.0 

 10.0 

 10.4 

 11.0 

 13.8 



36.3 



25.0 

 21.2 

 20.2 



22.5 

 23.8 

 15.7 

 15.0 

 5.9 



5.4 

 25.0 

 38.0 

 50.0 



39.4 



40.8 

 44.8 



53.0 



54.0 

 49.0 

 45.4 



48.2 

 53.7 



55.8 



59.4 

 59.0 

 50.0 

 55.4 

 60.3 

 61.0 

 61.0 

 60.8 

 59.4 



55.2 

 53.0 

 49.2 

 45.1 

 46.4 

 48.0 

 56.3 

 55.0 

 55.0 

 55.0 

 55.2 

 57.6 



66.0 

 70.0 



71.2 

 69.5 

 65.0 

 71.4 

 71.4 

 66.8 

 57.2 

 52.0 

 48.0 

 35.0 

 25.8 

 46.8 

 64.0 

 72.0 

 76.0 

 71.0 



Pe7- cent ti-ansmission. 



15.3 

 19.8 

 22.9 



30.6 



38.5 

 38.5 

 36.0 

 37.8 

 39.4 



45.0 



44.0 

 40.8 

 40.2 

 42.4 

 46.7 

 46.8 

 46.7 



46.4 



41.3 



34.5 

 35.6 

 30.0 

 26.0 

 28.5 

 33.0 

 34.0 

 35.0 

 36.4 

 41.5 



54.0 

 63.0 



60.0 

 53.8 

 53.0 

 56.4 

 55.6 

 50.0 

 48.0 

 30.1 

 19.0 

 10.0 

 3.0 

 22.0 

 42.0 

 71.0 

 80.0 



12.5 

 15.3 

 19.4 



24.3 



25.0 

 19.6 

 18.1 

 18.6 

 20.0 

 26.3 

 27.7 



28.6 

 25.0 

 23.8 

 22.5 

 25.4 

 30.5 

 30.0 

 29.2 

 29.7 



31.0 

 26.5 

 23.0 

 22.0 

 24.2 

 26.5 

 25.5 

 26.5 

 25.8 

 25.7 

 26.6 

 29.5 



33.4 



39.0 

 39.7 

 39.0 

 37.5 

 35.5 

 43.0 

 48.0 

 30.1 

 20.5 

 23.2 

 7.5 



7.2 

 15.0 

 30.0 

 50.0 

 56.0 

 64.0 



84.6 

 89.0 



87.3 



84.9 



84.2 

 80.0 

 77.3 



78.5 

 80.0 

 80.4 

 78.8 

 78.5 

 79.0 



74.0 

 76.1 

 79.6 

 80.8 

 81.0 



80.0 



79.9 

 82.0 



78.8 

 76.0 

 80.0 



80.0 

 81.0 

 79.5 

 77.0 

 63.8 

 50.0 

 26.5 

 38.4 

 57.5 

 72.5 

 74.0 



27.0 

 29.8 

 35.4 



40.1 



42.8 

 37.1 

 37.4 

 38.0 

 41.0 



48.3 



56.0 

 45.0 

 41.8 

 42.8 

 43.8 

 42.7 

 42.0 

 44.7 

 45.4 



46.3 

 42.0 

 37.8 

 38.0 

 41.6 

 46.3 

 46.8 

 47.3 

 47.3 

 47.2 

 44.7 

 42.0 

 44.7 

 48.2 



47.4 



36.0 

 30.0 

 32.1 

 44.5 

 45.4 

 35.0 

 31.8 

 30.0 

 20.5 



0.0 

 15.5 

 27.0 

 55.6 

 71.0 



25.9 



41.8 

 39.8 

 37.6 



52.3 

 43.0 



43.7 



42.8 

 41.0 

 41.7 



44.0 

 '40.8 



43.5 

 45.3 



48.0 

 46.0 



48.8 



35.5 

 29.2 



44.0 

 40.0 

 31.8 

 27.0 

 15.0 



8.0 

 21.0 

 41.5 

 62.0 

 72.0 



23.7 



36.6 



37.5 

 33.0 

 30.0 

 29.6 

 35.8 



44.8 



44.5 

 43.7 

 42.8 

 43.8 

 49.0 

 43.3 

 44.6 

 46.4 

 47.0 



42.6 

 40.0 

 34.5 

 34.6 

 37.0 

 37.5 

 37.6 

 41.0 

 44.1 

 46.5 

 47.6 



52.8 

 59V8 



61.3 

 56.3 

 60.3 



60.3 

 57.0 

 49.0 

 45.3 

 36.5 

 24.0 

 14.5 

 25.0 

 47.0 

 67.0 

 77.0 



34.0 

 37.5 



38.5 

 34.5 

 29.5 

 30.0 

 36.2 



43.4 

 44.8 

 42.5 



42.0 

 37.8 

 37.5 

 40.8 

 41.8 



39.2 



34.4 

 34.0 



38.0 

 42.2 

 42.7 

 38.6 

 42.7 

 45.3 



18.0 

 35.0 



35.2 

 28.5 

 27.0 

 12.0 

 5.0 



10.0 

 30.0 

 51.2 

 64.5 

 70.0 



