54 



J. 



T. Not 



ton , J) 



'. — Titration of 



Mercury. 













Table VI. 











Hg(N0 3 ) 2 

 taken 



Volume 

 at begin- 



HN0 3 



Tem- 



Na 2 S 2 3 



Hg(N0 3 ) 2 

 found 







as Hg. 



ning. 



1: 3 



perature. 



in excess. 



as Hg. 



Error. 





grains. 



cm 3 . 



cm 3 . 



C. 



cm 3 . 



grams. 



grams. 



1. 



0-1167 



200 



none 



60° 



0'46 



0-1384 



0-0217 + 



2. 



0-1167 



100 



1 



60 



3-63 



0-1348 



0-0181 + 



3. 



0-1167 



100 



2 



60 



0-23 



0-1375 



0-0208 + 



4. 



0-1167 



100 



none 



60 



0-17 



0-1360 



0-0193 + 



5. 



0-1167 



300 



u 



21 



0-12 



0-1232 



0-0065 + 



6. 



0-1167 



300 



u 



21 



0-15 



0-1375 



0-0208 + 



7. 



0-1167 



200 



l( 



21 



11-8 



0-1461 



0-0294 + 



8. 



0-1167 



200 



20 



21 



15-97 



0-1403 



0-0236 + 



9. 



0-1278 



200 



none 



21 



5-23 



0-1647 



0-0369 + 



10. 



0-1278 



200 



u 





1-85 



0-1653 



0-0375 + 



11. 



0-1278 



100 



« 





1-43 



0-1662 



0-0384 + 



12. 



0-0752 



200 



a 





2-09 



0-0996 



0-0244 + 



13. 



0-0255 



100 



u 





2-01 



0-0280 



0-0025 + 



14. 



0-0255 



200 



5 





3-44 



0-0264 



00009 + 



15. 



0-0255 



200 



10 





0-85 



0-0334 



0-0079 + 



16. 



00255 



300 



none 





1-96 



0-0264 



0-0009 + 



17. 



0-0255 



200 



u 





1-9 



0-0287 



0-0032 + 



18. 



0-0255 



200 



u 





1-76 



0-0290 



0-0035 + 



19. 



0-0639 



200 



« 



60 



1-53 



0-0831 



0-0192 + 



In conclusion I wish to thank Prof. F. A. Gooch for his 

 kind advice and assistance. 



