BAIRD &TATLOCK (LONDON) LTD. 



SECTION 8. 



Gas Analysis Apparatus. 



1 



4660 4661 4662 



inpel's Gas Burette. The following advantages are claimed for this apparatus : 



i i. It admits of the use of all sorts of solid or liquid reagents. 



I 2. It allows of a complete exhaustion or utilisation of the reagent. 



3. It greatly obviates the errors due to the mechanical absorption of gas by the absorbing agents, and 

 tally it can be used for the analysis of mixtures of N, H, and CH 4 , giving results which are sufficiently accurate 

 f technical purposes. 



The apparatus consists of 



< JO Hempel's Gas Burettes, one plain and the other graduated, on wood soles, connected at 

 the foot by an indiarubber tube. The graduated tube is drawn out at top for the 

 attaching of an indiarubber tube .. .* Without indiarubber tube, per pair 10 6 



4>1 Hempel's Gas Burettes as above, but graduated tube is furnished with a stopcock at 



top and a three-way stopcock at bottom . . . . Without indiarubber tube, per pair 015 



4>2 Hempel's Gas Burettes as above, with patent stopcock. 



Without indiarubber tube 18 6 



jCHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



I 





843 





