Ionized Phosphorus Emanation in Tubes. 



43 



Table 1.^- Absorption of the Ionized Phosphorus Emanation 

 in Tubes of Grey Rubber. Diameter 2r = *64 centim., 

 ;? = 4 centim., = 26°. 



Series. 



Length, 



X. 



Volume 



per 

 minute, 



V. 



Velocity, 



v. 



*. 



Computed. . 



V. 



X. 



1. 



cm. 

 



125 



295 



455 







litr./min. 



•7 

 31 

 4-7 

 6-5 



•8 



cm./sec. 



161 



244 

 340 



cm./sec. 

 •28 



litr./min. 

 •60 



1-00 



200 



3-00 



400 



cm. 

 



15 



71 



142 



222 



2. 







85 



125 



295 



455 



•5 

 21 



2-8 

 5-2 

 69 



111 

 147 

 271 

 360 





500 

 7-00 



309 

 504 



A brief summary of the chief results is appended for 

 reference. 



Table II. — Summary of Data for Absorption Velocity k. 



Tube of: 







Grey rubber. 

 Pure rubber. 



Lead 



Lead 



Glass 



Diani., 

 2r. 



Range of 



lengths, 



.r. 



Jet- 

 pressure, 

 p. 



Air- 

 temp. 

 6. 



Range of 

 V. 



Range of 



v. 



k. 



cm. 

 •64 



cm. 

 0-455 



cm. 

 4 



°C. 

 26 



litr. min. 

 •7-70 



cm./sec. 

 40-360 



cm./sec. 



•28 



•35 



0-300 



6 



24 



•5-42 



80-740 



•32 



•63 



0-300 



5 



27 



•5-46 



30-250 



•25 



•32 



0-150 



9 



27 



•7-20 



140-410 



•30 



•29 



0-150 



8 



27 



•8-2-0 



200-480 



•27 



These results are entered in the chart with greater fulness, 

 where the abscissas are the lengths of the absorption-tubes, 

 the ordinates the volumes per minute producing the fiducial 

 blue. The curves drawn through the points are computed 



