— 87 — 



Our artificial Oil of Neroli "Schimmel 8j Co." has continued to enjoy 

 increasing popularity, and in spite of the innumerable "cheap" artificial 

 products which are being passed-off on the market under the name of 

 „Synthetic Neroli Oil", our sales have increased to a positively astonish- 

 ing extent. The conviction is more and more growing that the genuine 

 distillate is an article of luxury, and that in view of the keen competition 

 existing in the perfumery and soap industries, very few firms can afford 

 to continue to employ it. 



Roure-Bertrand Fils 1 ) have published details of a comparative examin- 

 ation of extracted oils of orange flowers harvested respectively in May 

 and at the end of October. In each case 300 kilos of the flowers was 

 extracted with light petroleum; the spring flowers yielding 0,2272 and the 

 autumn flowers 0,1795°/ of extract, consisting of a brown, viscous mass 

 made up of vegetable wax, colouring matter and essential oil. The last- 

 named constituent was isolated by treating the extract with steam. The 

 fraction of the oil dissolved in the distillation -water was examined se- 

 parately and was also added to the other oil in a corresponding proportion, 

 in order to constitute an "entire" oil. The results obtained by Roure- 

 Bertrand Fils in the examination of the separate oils are set out in the 

 subjoined table: — 





Oil separated out in 

 the receiver 



Water oil 



Total oil 





May 



October 



May 



October 



May 



October 



Yield 



0,06590 o/o 



0,061 15°/o 



0,00773% 



0,00521 % 



0,07363 0/0 



0,06636 o/ 



dl50 



0,8883 



0,8866 



0,9434 



0,9124 



0,8899 



0,8887 



«D 



— 0°40' 



— 4°28 r 



— P46' 



— 3° 20' 



— 00 48' 



— 4° 6' 



n Dl50 . 



1,474 



1,469 



1,498 



1,483 



1,478 



1,476 



Acid no 



0,7 



0,7 



0,7 



1,05 



0,7 



1,0 



Ester no 



71,4 



96,6 



61,6 



58,8 



70,2 



95,8 



Ester (calc. for linalyl acetate) 



25,0 o/o 



33,8 0/0 



21,5% 



20,6o/o 



24,6o/ 



33,4% 



Total alcohol (C 10 Hi 8 O) 



54,4 °/o 



59,3o/o 



51,60/o 



54,80/0 



51,0% 



57,00/0 



Methyl anthranilate . 



2,43 o/o 



l,57o/o 



13,2% 



12,4o/o 



3,53o/o 



2,74% 



Solubility 





Sol. in 



1 Vol. and 



more 80°/o 



alcohol 





*) Berichte von Roure-Bertrand Fils, April 1910, 48. 



