J. L. Kr eider — Behavior of Typical Hydrous Bromides. 99 



Dehydration of Hydrous Barium Bromide. 

 BaBr 2 - 2H 2 0. 





Weight 

 taken. 



Loss on 

 heating. 



Bromine in residue. 



Water 

 evolved. 



Time. 





Atmos- 

 phere. 



grm. 



grm. 



per 



cent. 



grm. 



per 



cent. 



Varia- 

 tion 

 from 



theory. 



per 



cent. 



hrs. 



Tem- 

 pera- 

 ture. 



1 \ HBl ' 

 1 j Air 



(HBr 



1 \ Air 



3 \ HBr 



3 \ Air 



, j HBr 

 4 JAir 



5 1 HBr 



5 j Air 



« i HBr 



6 j Air 



jHBr 



7 (Air 



•IS- 

 MS' 

 HS r 



•2377 

 •2364 

 •2309 

 •2247 

 •2299 

 •2311 

 •2413 

 •2416 

 •2399 

 •2342 

 •2296 

 •2287 

 •2501 

 •2472 

 •2389 

 •2304 

 •2491 

 •2438 

 •2460 

 •2416 



0165 

 •0107 

 •0147 

 •0125 

 •0121 

 •0127 

 •0121 

 •0134 

 •0118 

 •0128 

 •0115 

 •0127 

 •0157 

 •0135 

 •0198 

 •0148 

 •0258 

 •0251 

 •0269 

 •0242 



06-94 

 04-52 

 06-36 

 05-56 

 05-26 

 05-49 

 05-01 

 05-54 

 04-91 

 05-50 

 05*00 

 05-50 

 06-27 

 05-46 

 06*58 

 06-42 

 10*36 

 10-29 

 10*93 

 10-01 



•1130 

 •1141 

 •1105 

 •1082 

 •1115 

 •1115 

 •1173 

 •1167 

 •1157 

 •1162 

 •1111 

 •1095 

 •1208 

 •1195 

 •1147 

 •1113 

 •1190 

 •1167 

 •1190 

 •1166 



47-56 

 48-24 

 47-82 

 48-16 

 48-49 

 48-26 

 48-58 

 48-33 

 48-26 

 48-09 

 48-41 

 47-91 

 48-32 

 48-37 

 48-03 

 48-31 

 47-78 

 47-86 

 48-37 

 48-26 



-0-39 



+ 0-29 



— 0-13 

 + 0-21 

 + 0-54 

 + 0-31 

 + 0-63 

 + 0-38 

 + 0-31 

 + 0-14 

 + 0-46 



— 0-04 

 + 0-37 

 + 0-42 

 + 0-08 

 + 0-36 

 + 0-17 

 -0-09 

 + 0-42 

 -f-0'31 



06-55 

 04-81 

 06-23 

 05-77 

 05-80 

 05-80 

 05-64 

 05-92 

 05-22 

 05-64 

 05-46 

 05-46 

 06-64 

 05-88 

 06*66 

 06-78 

 10-19 

 10-20 

 11-35 

 10-32 



i 



i 



2 



1 



"2 



1 

 "2~ 



i 



i 



2 



1 

 "2" 



i 



1 

 2 



70°C. 



80°C. 



90°C. 



100°C. 



no°C. 



120°C. 

 130°G. 

 140°C. 

 150°C. 

 160°C. 



13 wo /50 



