nO 
40 REPORT OF SCHIMMEL & Co. OCTOBER 1914/APRIL 1915. 
carbonate. The illuminating power is greatly intensified if the upper end of the burner 
_ tube is surrounded by a tube closed below, into which oxygen is passed, thus enveloping 
the flame all round in an oxygen zone. A still greater illuminating power is obtained 
if instead of ordinary coal gas hydrogen is used. 
Cultivation experiments with Roman chamomile carried out in Austria are described 
on page 64. | 
Rose Oil (Otto of Roses). An American contemporary') discusses the pos- 
sibility of cultivating roses in Oregon, because its climate and soil are similar to 
Bulgaria. In the near future a well known Oregon rose expert intends planting an 
acre in Brooks (Ore.) with rose-plants which he hopes to receive from Bulgaria. 
As is well known, the articles most used in the sophistication of otto of roses 
are mainly palmarosa and geranium oils. In order to cover these additions, according 
to reports published by N. Petkow’), “stereoptene” (sic/) or “ceril” (two preparations 
placed on the market by Swiss firms) have come to be used of late. The so-called 
stereoptene examined by him had a m.p. of 38,5°; acid v. 2,0; ester v. 3,5; iodine v. 4,6; 
refractory index (at 50°) 13; it was readily soluble in ether and chloroform, and in- 
insoluble in alcohol. Ceril had an acid v. of 1,2; ester v. 9,1; iodine v. 174,4, and 
refractory index (at 40°) 43. Six pure rose oils examined by the author had the fol- 
lowing values: do50 0,8535 to 0,891; #) — 1,04 to —2,9°; refractory index at 25°: 43,9 
to 51,2; acid v. 1,1 to 1,9; ester v. 8,3 to 10,9; iodine number (5 samples) 170,8 to 189,1; 
these figures agree approximately with the values found by ourselves in genuine rose 
oils. He also examined a concrete rose-product, obtained by extraction of rose flowers 
with light petroleum; it was a yellowish soft mass of an odour like otto of roses and of 
the following properties: acid v. 7,1; ester v. 31,4; iodine number 51,3; refractory index 
(at 60°) 62. 
Rose Oil, Russian. Roure-Bertrand Fils*) give the following figures for a rose 
oil obtained from Tiflis: dis. 0,8618; a) — 2° 28’; congealing point +-19°; it contained 
23,1 p.c. of stearopten, 0,37 p.c. of free acid (calculated as acetic acid), 2,79 p.c. ester 
(calculated as rhodinyl acetate), 27,53 p.c. rhodinol (citronellol), 41,44 p.c. geraniol and 
8-phenylethyl alcohol, besides 4,77 p.c. of terpenes. 
Oil of Sage. Some time ago Wallach*) found J-camphor in an oil from large- 
leaved sage. At a later date°®) we published the constants of a Syrian sage oil, which 
in the opinion of experts originated from Salvia triloba, L. In this oil, of which only 
about 25 g. were at our disposal, we have now been able to prove with certainty 
l-camphor (semicarbazone, m. p. 235 to 236°) and to indicate the presence of thujone 
as being probable. In a methylalcoholic solution of the camphor slight laevo-rotation 
was observed. Owing to the small quantity of the fraction of the b. p. 199 to 215° 
which smelled distinctly of thujone, it was impossible to prove it by a derivative. 
About the cultivation of sage plants, see page 64. 
1) Oil, Paint and Drug Reporter 86 (1914), No. 10, p.10. — *) Zeitschr. f. Gf. Chem. 20 (1914), 149; 
Chem. Zentralbl. 1914, I, 2020. — 4%) Berichte von Roure-Bertrand Fils April 1914, 12. See also ibidem 
October 1902, 24; comp. Report October 1907, 81. — *) Nachr. K. Ges. Wiss. G6ttingen 1905, Heft 1, 1; 
Report October 1905, 62. — 5) Report October 1907, 81. 
