Chemistry of Essential Oils

184 THE CHEMISTEY OF ESSENTIAL OILS

2.

1

Fraction.

1 2 3 4 5 6 7 8 9

Specific Gravity.

0-965

0-967

0-972

0-975

0-976

0-978

0-978

0-981

0-983

Optical Rotation.

- 5°

- 5°

- 4

°

30'

• 4° 30'


• 5° 50'
  
  
  • 6
    a
    1-
  
  
  • 8 °
  
  
  
  


• 10
  °
  10'


• 14

Refractive Index.

1-5036

1-5048

1-5062

1-5075

1-5079

1-5083

1-5080

1-5090

1-5095

These figures should be compared with those obtained with genuine
samples of sandal-wood oil. Four samples of authentic origin gave the
following results :—
A.

Fraction.

1 2 3 4 5 6 7 8 9

Specific Gravity.

0-970

0-970

0 972

0-974

0-977

0-978

0-980

0-980

0-984

Optical Rotation.

- 19° 30'

- 17 ° 20'

- 16 °

- 16°

- 15 ° 30'

- 15

°

• 16° 40'


• 18
  °


• 21°

Refractive Index.

1-5055

1-5060

1-5060

1-5065

1-5068

1-5068

1-5079

1-5080

1-5084

B.

Fraction.

1 2 3 4 5 6 7 8 9

Specific Gravity.

0-975

0-969

0-969

0-972

0-979

0-979

0-982

0-984

0-982

Optical Rotation.

- 19°

- 18°

- 18°

- 16°

- 14

°

• 15 ° 30'


• 16°


• 17° 20'


• 21° 30'

Retractive Index

1-5000

1-5044

1-5068

1-5070

1-5072

1-5080

1-5080

1-5075

1-5085

c.

Fraction.

1 2 3 4 5 6 7 8 9

Specific Gravity.

0-970

0-970

0-974

0-977

0-978

0-978

0-979

0-980

Optical Rotation.

- 21

°

• 17°


• 15°


• 15°


• 15°


• 15°


• 15°


• 17°


• 20°

Refractive Index.

1-5067

1-5064

1-5063

1-5071

1-5075

1-5080

1-5080

1-5082

1-5086