Chemistry of Essential Oils

(Tuis.) #1

LAURACE^E 137


Original oil
Fraction 1. 20 per cent.


  1. 20
    3. 20

  2. 20
    Residue 5. 20


Specific
Gravity.
•944
•867
•883
•936
1-008
1-005
'No. 2.—Distilled in England, from broken quills :-
Specific
Gravity.

. 1-016
•890
•994


Original oil
Fraction 1. 20 per cent.


  1. 20

  2. 20

  3. 20
    Residue 5. 20


1-032


1-048


1-051


No. 3.—Distilled in England, from Ceylon "chips"
Specific
Gravity.
Original oil.... •996
Fraction 1. 20 per cent.. •886




    1. •984



  1. 20 ..1-027

  2. 20 ..1-046
    Residue 5. 20 ,,1-051
    No. 4.—Distilled in England :—


Original oil
Fraction 1. 20 per cent.


  1. 20

  2. 20

  3. 20
    Residue 5. 20


Specific
Gravity.
1-004
•884
•993
1-029
1-048
1-052

Refractive
Index at 25 C.
1-5178
1-4790
1-4880
1-5115
1-5564
1-5748

Refractive
Index at 25°.
1-5760
1-5002
1-5568
1-5864
1-5928
1-5746

Refractive
Index.
1-5602
1-4934
1-5442
1-5750
1-5912
1-5736

Refractive
Index.
1-5615
1-4925
1-5565
1-5826
1-5934
1-5729
The following two samples were of Continental distillation, guar-
anteed pure:—
No. 5.—

Original oil
Fraction 1. 20 per cent.


  1. 20

  2. 20

  3. 20 ' „
    Residue 5.^20
    No. 6.—


Original oil
Fraction 1. 20 per cent.








  1. 20

  2. 20
    Residue 5. 20


Specific
Gravity.
1-021
•918
1-024
1-042
1-048
1-053

Specific
Gravity.
1-030
•963
1-026
1-040
1-050
1-058

Refractive
Index.
1-5840
1-5142
1-5878
1-6033
1-6078
1-5955

Refractive
Index.
1-5920
1-5428
1-5883
1-6002
1-6068
1-6070
Three samples of cinnamon oil from bark grown in the Gold Coast
'have: been examined recently at the Imperial Institute.^1 The characters
•of these oils, together with those of one previously examined, were as
(follows:—


i Bulletin, 1919, 17, 189.
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