( 431 ) 



1 



25^ 



into the Vciluc of r»\. ilciice in tins wixy we lune obtained data 



at a rather hir,i>e dillerence of pressnre, from which lis, may he 

 derived nnaniltignonsly. 



'^ 2. llcihtclion of the /'('(idiiij/s on flic iioriinil hijilnujcn Üwriiio- 

 inetci' to the i(t).'<olute so lie. 



By means of formnhi (o) of § '2 of Comm. N". 07'' and with the 

 new valnes of IV r 'eoinp. formnla (2) (^f § 2 (Jo'mm. N". 97^') which 

 may be derived from the data of tabk' XXII, wo have determined 

 anew the corrections of the reacbniis of the hy(b'0<2,en tiiermomeler of 

 constant vobime to the absobite scale. Kor this we have started tVoni 

 the indix'idiial xirial coeflicients and not as in Comm. N". 97*^ from a 

 peneral temperatnre formnla, because the conrse of the se[)arale 

 isotherms has no^v been ascertained snfliciently to render a similar 

 |)revions eqnali/.ation snpertlnons. 



For />'„ and />'ioo '^^'^ have adopted other \alnes than in Comm. 

 N". 97''^ We have namely nsed the resnlts obtained from dii'ect 

 determinations of isotherms at 0^ C. and lOO C, of which the 

 resnlts are laid down in Comm. N". iOO'. These valnes are: 



/ƒ„ =z= 0.()()058()7 n\,, z=z 0.()00632J . 



for the absolnte zero we have adopted 



^-^i — 273".08 C.' 



derived in the previons § tVom the same tletermijiations of isotherms. 

 The results have been combined in the preceding table in (he maimer 

 of table XVI of (\)mm. N". 97''. 



29 



Proceedingö Royal Acad. Amslerdam. Vul. X. 



