146 Gooch and Ensign- — Determination of Bromine. 



H 2 S0 4 



HN T 3 



KBr 



= HBr. 



I. 

 Initial 



Final 



AgBr found 



= HBr. 



[W] 





taken. 





volume. 



volume. 



in the distillate, lost. 



cm 3 . 



cm 3 . 



grm. 



grm. 



em :; . 



cm 3 . 



grm. 



grm. 



10 





1 



0-6799 



400 



300 



o-oooi 



trace 



10 





1 



06799 



300 



200 



0-0003 



0-0001 



10 





1 



0-6799 



200 



100 



0-0006 



0-0003 



10 





1 



0-6799 



100 



50 



0-0024 



o-ooio 



10 



-- 



1 



0-6799 



50 

 II. 



25 



0-0196 



0-0084 





3 



1 



0-6799 



600 



500 



0-0002 



o-oooi 





3 



1 



0.6799 



500 



400 



o-oooi 



trace 



_. 



3 



1 



0-6799 



400 



300 



0-0002 



o-oooi 





3 



1 



06799 



300 



200 



0-0004 



00002 





3 



1 



0-6799 



200 



100 



0-0019 



00008 



-~ 



3 



1 



0-6799 



100 

 III. 



50 



00224 



0-0096 



10 



3 



1 



0-6799 



6C0 



500 



0-0008 



0-0003 



10 



3 



1 



0-6799 



500 



400 



00004 



0-0002 



10 



3 



1 



0-6799 



400 



300 



o-ooio 



0-0004 



10 



3 



1 



0-6799 



300 



200 



00018 



0-0008 



10 



3 



1 



0-6799 



200 



100 



0-0170 



0-0073 



10 



o 



1 



0-6799 



100 



70 



color o f bromine in distill 











IT. 









10 



2 



1 



06799 



400 



300 



00012 



0-0005 



10 



3 



1 



0-6799 



4C0 



300 



0-0016 



0-0007 



10 



4 



1 



0.6799 



400 



300 



0-0034 



0-0015 



10 



5 



1 



0-6799 



400 



300 



00094 



0-0040 



10 



10 



1 



06799 



400 

 V. 



300 



0-0312 



0-0130 



H 2 S0 4 



HN0 3 



HBr = KBr 



Initial 



Final 



AgBr found 



HBr 



1:1] 













in the 



= 







taken. 



volume. 



volume. 



distillate. 



lost. 



cm 3 . 



cm 3 . 



grm. grm. 



cm 3 . 



cm 3 . 



grm. 



grm. 



.. 



.. 



0-6' 



99 1 



300 



200 



trace 



trace 







0-6 r 



99 1 



200 



100 



00009 



0-0004 





.. 



0-6 f 



99 1 



100 



50 



0-0007 



0-0003 





__ 



06' 



99 1 



50 



25 



0-0004 



0-0002 





.. 



0-6799 1 



25 



15 



0-0004 



0-0002 



-- 



-- 



0-6799 1 



15 



5 



00423 



00180 











VI 









10 





0-6 - 



99 1 



300 



200 



0-0009 



0-0004 



10 



.. 



0-6799 



200 



100 



o-oon 



0-0005 



10 



.. 



0-6 h 



99 1 



100 



50 



0-0012 



0-0005 



10 



.. 



0-6799 



50 



25 



0-0064 



0-0027 



10 



-- 



0-6 H 



99 1 



25 



10 



color of bromine in distilla 











VII. 











5 



0-6' 



99 1 



600 



500 



trace 



trace 



_. 



5 



0-6799 1 



500 



400 



0-0002 



o-oooi 



._ 



5 



0-6799 1 



400 



300 



0-0018 



0-0007 





5 



0-6 p 



99 1 



300 



200 



0-0032 



0-0014 





5 



0-6799 1 



200 



100 



0-0202 



0-0086 





5 



0*6799 1 



100 



90 



. color of bromine i» distill 



