SOME LABORATORY SAMPLES OF OLD ENGLISH LAVENDER OILS.Sample
Marked1903 A
1904 A
1905 MA
1906 M
1907 M & A
1907 M
1908 M
1908 B
1909 M
1910 M
1911
S. G.
@
15°.
0-&915
0 8855
0-9092
0-9481
0-9021
0-8879
0-8864
0-9885
0-9851
0-8859
0-8&59
Opt. Rot.
100 m/m.
@15°.- 9-5
- 9-0
- 8-0
- 6-2
- 8-3
- 9-4
- 8-5
- 4-6
- 4-8
- 9-4
- 8-5
Refractive
Index
@ 25 °.1-1667
1-4638
1-4668
1-46S7
1-4695
1-4672
1-4655
1-4712
1-4715
1-4658
1-4638
Acids as
Acetic.0
0
0-36
1-8
0-24
0
0
3-22
3-22
0-12
0
Apparent
Esters as
Liualyl
Acetate.10 4^5 °/ 0
8-76 °
8-46 7O
14-95 °/ 0
8-54 «/0
8-31 7 0
7-20 °/ 0
21-65 °/ 0
22-7 °/0
7-37 (^7) O
7-96 «/ 0
Remarks.
Storage.
Narrow-mouthed
corked bottle
Wide-mouthed
corked bottle
Narrow-mouthed
corked bottle
Colour of Oil.
Pale yellow
Dark yellow
Pale yellow
Dark yellow
Pale yellow
Very pale
yellow.
Condition of Oil.
Limpid.
»f
S lightl y viscid and resinous.
Viscid and resinous.
Limpid.
Very viscid and resinous.
Slightly less viscid and resinous
than 1908 B.
Limpid.
n
to
o