Constants of Electrolytic Solutions. 841 



all been reduced to 18° C, using (Joolidge's value for tl;e 

 temperature coefficient *. 



Table VII. — Dielectric Constant of Watei 



A. 

 33-2 



t °C. 



80-3 



84-25 



82-05 



80-2 



82-2 



81-05 



78-2 



82-5 



81-2 



84-9 



84-0 



81-0 



80-95 



76-7 



78-0 



81-1 



81-25 



82-05 



807 



80-7 



82-8 



Mean 



D w 



34-2 



14 



82-85 



34-4 ........ 







34-8* 



17-1 



79-9 



35-9 



18-2 

 19-1 



82-25 



41 



81-45 



41-1* 



16-8 



77-8 



44-9* 



453 ... . 



17 



18-2 



82-15 

 81-25 



45-5 



11-8 



82-7 



45-5 



14 



82-6 



45-5 



176 



79-85 



46-2 



12-2 



78-95 



462 







466 



19-1 



78-4 



615 



186 



81-6 



61-6* 



17-4 



81-05 



70 



19-8 



82-7 



80-5* 



17-2 



80-4 



80-5 ........ 



16-6 



80-2 



103 



176 



82-65 











... 81-05 



# The temperature coefficients found by various observers vary 

 between —0-28 per °C. and -0-495. Coolidge's value is in fair 

 agreement with that found by Marx and Heerwagen. 



AD 

 Observer. K la . - -^. 



Eosa 49 77-8 0348 



Cohn 8 74-7 0-333 



Heerwagen 32 80*52 0-362 



Franke 28 8F6 0504 



Thwing 5 * 74-27 0"473 



Drude 17 814 0368 



Ratz 4s 80-6 0-39 



Abegg 1 80-42 0'425 



Coolidge 13 81-25 0'352 



Palmer 47 0358 at 60 — 



0-507 at L0 6 - 

 0-570 at 3.10 6 ~ 



Nernst 41 80-0 0'28 



Marx 37 82-3 0362 



Niven 45 . 79-4 0632 



