Dec. 



SS8] 



NATURE 



199 



Aluminium m^ 



e*,:B.P..3o-. {-<a:::,1: 



Dumas Lecoq de Boisbaudran 1 



Gallium chloride : B. P. 215^-220=. S ?% ~ ^"^' 



I3"4 

 II-9 

 lo-o 

 7-8 

 io'6i 

 9-08 

 7-82 

 1173 

 8-5 

 6-6 

 885 

 6 12 

 6t4 

 S-i8 



V. Meyer 



Friedel and Crafts 



Friedel 

 Nilson and Pettersson 



1000- rioo 

 1300 1400 



482 

 3"57 



Gallium didiloride, GaCi., = 486. 



V Meyer ' Nilson and Pet'.ersson 



Dull red 



606 



850 

 1048 

 1 100-1200 



958 



1 167 



I 300- I 400 



7-87 

 816 

 7-39 

 672 

 623 



7-67 

 6-54 

 6 '43 



Indium trichloride 



I V. Meyer 

 V. Meyer 



{ InClg = 7-58. 

 Mn,CI«= 15-17. 



V. and C. ^[eyer 

 Nilson and Pettersson 



/i ^ ( 



Indium dichloride, InClj = 6'36. 



V. Meyer ' Nilson and Pettersson | 



Slow volatilization 

 Rapid volatilization 



1100-1150 

 1 200- 1 300 

 1300-1400 



5-30 

 5-38 

 5-53 



Indium monochloride, InCl = 5 14. 



V. Meyeri 



Nilson and Pettersson 



1065 



1191 



1277 



1347 

 1 100-1200 

 1250-1350 

 1350-1400 



Very high 



Chromium trichloride \ r-^:^i ^ 



ICalc. for CrClg = 159 



V. Meyer 



= I54'9 I V. Meyer 



10-96. 

 5-48. 

 Nil-;on and Pettersson 



A. Scott 



Slow volatilization 

 Normal ,, 



I 300-1400 

 I 400- I 500 

 1500-1600 I 



7-80 

 7-28 

 6-24 



Chromium dichloride .^ rA o.,.' 

 \ crjjv^i^ = o 5 «• 



I V. Meyer ' Nilson and Pettersson 



Very difficult to volatilize 



