412 



Dr. S. B. Schryver and Miss N. E. Speer. 

 Hydrochlorides. 





Strength in millimols per litre giving 







change 



in colour. 



J, 



Sodium 



28-12b, 25 -Om, 21 -87 m 



18 ^75 



Ammonium 



15 •62 b, 14-06 



m, 12 '5 m 



10^93 





15 •62 b, 14 06 



m 



12^50 



Trimethylamine 



9 -37 b, 7 -82 m 



7^03m 



6^25 





15 •62 b, 14^06 



m 



12 •SO 





10 -93 b, 9 -37 m, 7 ^82 m, 7 •OS m 



6^2S 





9 •37 b, 7 •82 m 



7^03m 



6^25 





4^60b, 3 •90 m 



3 •SI m 



3 12 





3-90b, 3 •Sim 





3^12 





9 •37 b, 7 •82 m 



7 •OS m, 6 -25 m 



5 -46 





3 •12 b, 2 •69 m 



2 -30 m 



1 ^95 



b = blue ; m = mauve ; r = red. 

 Arsenic Sulphide. 



Prepared by the method of Picton and Linder. 100 c.c. contained 0"31 per 

 cent. soUd, dried at 100° C. 



Sodium Salts. 







0. 



Formate 



112 5 + 



+ 



+ 



100 + 









87 •S 





125 + 



+ 



+ 



112^5 + 



+ 



100 



+ 



87-5 





125 + 



+ 



+ 



112 ^5 + 



+ 







100^0 





112-5 + 



+ 



+ 



100 + 



+ 



87 



•5+ 75^0 + 



62 -5 





100 + 



■f- 



+ 



87 -5 + 



+ 







75 •O 





112^5 + 



+ 



+ 



100 + 



+ 



87 



•s + 



75^0 





100 + 



+ 



+ 



87 ^5 + 



+ 



75 



+ + 



62 -5 





125 •O + 



+ 



+ 



112 ^5 + 









100 •o 



Hydrochlorides. 



Sodium 



Ammonium 



Monomethylamine 



Trimethylamine 



Dimethylamine 



Tetraethylam monium 

 Piperidine 



Triethylamine 



Benzylamine 



Isoamylamine 



Hexylamine 



100 + + + 



87-5 + + 



75^0 + 







62-5 



56 ^25+ + + 



55-0 + + 



43 ^75 + 







37 •S 



37 •S + + + 



31 ^25 + + 



28^12+ + 



25 + + 



21 ^87 + 



18^75 



14 ^06+ + + 



12 •S + + 



10 ^93 + 



9^73 + 





7-82 



21 ^87+ + + 



18 ^75 + + 



15 -62 + 



14 •06 + 





12-50 



22 -30 + + + 



1 ^95 + + 



1^75+ + 



1 ^56 + 



1^36 + 



0-97 



6^25+ + + 



5^46+ + 



4^6 + + 



3^9 + + 



3^51 + 













3-12 + 



2-69 



2 ^69 + + + 



2 -30 + + 



1 ^95 + 







1-75 



3 •SI + + + 



3-12+ + 



2^69+ + 



2^20 + 





1^95 



6^25 + + + 



5-46+ + 



4 ^60 + + 



3^90 + 





3 •SI 



3 -51 + + + 



3-12+ + 



2 ^69 + + 



2-30 + 





1 ^95 



Mastic. 



One hundred cubic centimetres contained 013 per cent, solid, dried at 

 100° C. 



