MICROLITER BURETTES 



259 



Tlie complete titration assembly is available from A. H. Thomas 

 Co. and E. Petersen, Carlsberg Laboratory. 



Fig. 87. Burette, front and rear views: 

 From Sisco, Cunninghavi, and Kirk (1941) 



Kirk Burette. In this instrument (Fig. 87) the mercury is 

 separated from the standard solution by air, and the readings are 

 taken from a scale behind the capillary tube rather than from 



