8 MR. W. R. JEKYLL ON THE ACTION OF 



three hours. The mixture was distilled from a retort, the 

 distillate neutralized with sodium carbonate, and evapo- 

 rated nearly to dryness on a water-bath. The sodium salts 

 were washed into a retort, from which the combined acid 

 was fractionated by means of successively adding five drops 

 of sulphuric acid, and catching the distillates separately 

 after each addition of acid. The first four distillates were 

 acid, and were neutralized by silver oxides. After filtra- 

 tion, salts separated out, which were analyzed with the 

 following results : — 



No. i. 







.. 0*2018 salt 



gave 0*1198 silver. 



No. 2. 



(a) . 



.. 0*1025 





0*0683 » 





(b) 



,.. 0*1095 



(from mother liquor) gave 0*0715 silver. 



No. 3. 





.. 0*1960 



salt 



gave 0*1257 silver. 



No. 4. 



(a) , 



... 0*3204 





„ 0*2072 „ 





(b) . 



.. 0*1952 



(from mother liquor) gave 0*1255 silver. 











Calculated for 







Found. 





silver acetate. 



No. 1. 





• 59'3 6 





64*67 



„ 2. 



(a) . 



.. 66*63 





>> 





(b) . 



•• 65'29 





)» 



>, 3- 





.. 64*13 





>! 



„ 4- 



(a) . 



.. 64*66 





5> 





(b) . 



.. 64*29 





5> 



The non-agreement of the analyses of the salts derived 

 from distillates 1 and 2 with the calculated residts, was 

 explained by the impure nature of the salts, which were 

 non-crystalline, and which I could not succeed in render- 

 ing pure, though they were several times redissolved. 

 Since only carbonic and acetic acids, but no butyric, had 

 been obtained from this hexyl iodide, while its boiling- 

 point resembled that of Wanklyn's ft hexylic iodide (for 

 the boiling-point of the iodide prepared from C 6 H I2 in 

 no case reached 170 ), and since the alcohol prepared from 

 the ft iodide yields butyric acid among its oxidation pro- 

 ducts (Journ. Chem. Soc. New Ser. i. 221), it became 

 necessary to repeat the experiment with a weaker oxidizing 

 solution ; therefore a few grains of the iodide were heated 



