156 Journal of the Mitchell Society \^Jan. 



PINE oil 



When resinous pine wood is finely divided and treated with 

 steam a crude oil distils off which on fractionation yields wood 

 spirits of turpentine and pine oil. Teeple ^ has found that pine 

 oil consists chiefly of a-terpineol. The specimen used in this 

 work showed at 15° C. a specific gravity of 0.9403 and an index 

 of refraction of 1.4901. The results with the isoprene lamp are 

 given in Table III. 



Table III 



Volume of 

 Time Temper- distillate Volume 



of ature ,^— «.w_^-..^.— ~^ Per cent of 

 Substance heating of Crude Refined of residue 



used Hrs. oil bath Co. Cc. isoprene Cc. 



2 210° 15 4 2.0 



200 cc. of pine oil 2 210° 10 3 1.5 



2 210° 7 1 0.5 125 



Totals 6 .... 32 8 4.0 _ 125 



REFINED SPRUCE PINE TURPENTINE 



This substance, consisting chiefly of cymene, is collected as 

 a by-product in blowing ofi^ the digesters in the manufacture of 

 wood pulp from spruce pine. The specimen was furnished by 

 the A. D. Little Laboratory of Boston. It showed at 15° C. a 

 specific gravity of 0.8G39 and an index of refraction of 1.4916 ; 

 80 per cent distilled between 171.3° and 174.9°a 200 cc. of 

 this substance were boiled three hours in the isoprene lamp but 

 no crude distillate could be observed. 



Chapel Hill, N. C. 



"J. Am. Ohem. Boc, 30, 413. 



