﻿408 Sir W. Ramsay and Dr. Spencer on Chemical and 



Table Y. 



Element. 



Belative rate 



of discharge. 





Series A. 



Series B. 



Eemarks. 



Electroscope 

 charged negatively. 



Electroscope 

 charged positively. 



Magnesium ... 

 Aluminium 1... 

 Aluminium 2... 

 Zinc 1 



1-5 



1-2 



2-4 



2-4 



133 



12-8 



10-0 



14-6 



16-9 



21-8 



31-2 



31-8 



41-6 



4fr7 



81-4 



64-2 



76-6 

 100-9 

 108-0 

 121 

 127-8 

 421 

 288 

 135 

 356 

 680 

 318 

 1018 



35-2 



216 



1450 



1520 



1783 



2920 



3560 



3766 



7540 



867 



11595 



Could not be l 

 properties. 



1-4 

 1-8 

 1-8 

 21 

 2-1 

 8-1 

 11-9 

 15-8 

 29-6 

 23-6 

 31-8 

 37-4 

 611 

 71-3 

 739 

 103 

 127 

 172 

 196 

 217 

 218 

 394 

 446 

 639 

 670 

 781 

 896 

 1218 

 2251 



Contains trace Al 



Zinc 2 





Cadmium 



Tin 





Indium 





Lead 1 



Commercial. 



Lead 2 



Kahlbaum's. 



Antimony 



Bismuth 



Trace Mn & Fe. 



Palladium 



Palladium 



Gold 



Charged with O. 

 Charged with H. 



Cobalt 



Electrolvtic. 



Nickel 





Copper 1 



Copper 2 



Silver 



Commercial. 

 Electrolytic. 



Cobalt . 



Commercial. 



Palladium 



Iron 1 



Electrolytic. 



Tantalum 



Platinum ...... 



Iron 2 



Mild steel. 



Iridium 





Iron 3 



Wrought iron. 



Iron 4 



Cast iron. 



Uranium 



Mercury 





The majority of 

 these elements gave 

 values which were 

 too near the blank 

 value to be of any 

 use. Sulphur and 

 selenium gave 

 values which were 

 slightly slower than 

 the blank experi- 

 ment, 

 neasured because of it 





Tellurium 



Molybdenum... 

 Manganese ... 

 Chromium 





Tungsten 



Selenium 



Silicon 





Sulphur 



s insulating 



