APPENDIX 



337 



The solution of ammonic nitrate in an equal weight of water 

 will reduce the temperature of the mixture from about + 10 to 



-15. 



Liquid carbon dioxide and ether will give a temperature of 

 -100 C. 



Liquid hydrogen gives a temperature of 252. 



Liquid air will give a temperature of about 190 200 C. 



VALUE OF i CCM. FEHLING'S SOLUTION IN MG. OF VARIOUS SUGARS. 



TABLE SHOWING PROPORTIONAL VOLUMES OF OXYGEN AND NITROGEN IN 

 VARIOUS VOLUMES OF Am. 3 



1 Soxhlet. Sugars in i per cent. sol. Fehling solution undiluted. 



a Allen. Agric. Chem. i : 226. 



3 From Bunsen. Gasometrische Methoden. 



