| difficulty by fractionation. / ee 
being 57.2 per cent. The fusion process, the most difficult operati 
‘the war being over, is probably of minor importance. 
lt contained 80 to 85 per cent. pure p-cymene and 15 to 20 per. 
een of ALS eS ee 
5 (en Se Tris eters 
The carvacrol obtained by this process could be ‘purified oe 
Guided by. these laboratory-scale results the authee’: underto 
amount (53 Ibs.) of spruce turpentine into carvacrol and succeeded airly we 
only 13.7 per cent. of cymene. It was noted that dry sodium cym 
cannot be kept at open air, as it takes up moisture rapidly. ae 
The time required for age operation wads such repel it could be 
eight hours. ; 
The Technical Association ‘of the Paper bad Pulp ia busied ‘this q 
recommends a ‘process worked out by the Hammermill rape Co. The ap 
Equally, in Sweden the by-products occuring in ‘the chemical oe 
pulp play a great part in the economics of the factories, as appears ae i 
figures concerning the years 1913 to 19157): — 
1913 Fo al Ona 
ql ; . kg. Kroner kg. oS Kroner ci kg. : i 
Cymene (sulphite pulp). . . . . i a — “5084 105 
Turpentine, crude | ian tl Oe 0 ee 
(Sulphate Pulp) | 311366 90413 347397. 119050 ec 042, 
rie 
do., distilled { 
in addition to small amounts of ill-smelling organic sulphur co 
Purification is effected by neutralization with quicklime. and su 
if necessary, also by fractional distillation. a ct gets Egan, 
1) Chem. Metallurg. Tpitelewane 18 (1918), 338; Chem. Zentralbl. 1919, I 
dienst 4 (1919), 56. — %) Teknisk Tidskrift 1918, No. 8; Papierfabr. 16 (1918), 
1919, II, 262. . Gk Mig he ae 
