Chemistry of Essential Oils

BALSAM VALUES.

FRACTIONALLY DISTILLED COPAIBA^.

ESSENTIAL OIL AND VACUUM FBACTIONATION FIGURES.

Para—

0.

Bahia—

3.

Maranham—
5...
Maturin—
6.
Via Hamburg—
Central American
(Maracaibo)-
8.

10.

11.

12.

13.

13A

14.

14A

15.

Acid

Acid ' Value

Value.! of

, Resin.

72-1

21

44'8

51

53-2

82-6

91

70

84

89-6

81*2

84

91

86*4

85-8

84

84

148-1

70

1357

121

106

140-1

151-7

140

145

144-5

156-2

140

151*6

132*5

141*6

161*5

142*4

Ref. Ind.

15°.

1*5132

1-4992

1-5088

1*5095

1-5124

1*5168

(S. G 0-997)

1-5135

1-5076

1-515

1-518

1-519

1*518

1*5168

(S. G. 0*985)

1*5072(40°)

S. G. 0*9838)

1*518

1*5176

Per

Cent.

Oil.

52

7fl

67

58

49

41

40

51

84

38

8

40

40

35

39*4

48

41

S.G.

Ref. Ind'

1*4935

0*9052

1*50

0*90

1*498

0*9055

1*4952

0-899

1*4949

0 900

1*4971

0*912

1*5008

0*912

1-4985

0*90

1*4972

0-9005

1-4985

0*903

1*498

0-904

0*90

1*4975

0*917

1*495

1 * 4933

0*899

1*4975

1*4978

Optical

Rotation.

-30°

-29°

• 21° 40"

-14°

• 15° 40'


• 17° 18'


• 0° 48'

+ 0° 50'

• 8° 20
  -7° 30'
  -7° 40°


• 10° 22'
  -8°
  -9° 30'
  Balsam+ 6°)
  -8° 36'


• 10° 46'


• 10° 14'
  Balsam + 35°)

B. Pt. of 90 °/

At Pressure

at 15 mm.

120°-122°

at 10-12 mm.

121°-126°

at 15 mm.

133°-135°

128°-133-5°

(30 °/ 0 )

133°-146-5°

at 15-20 mm.

118132

at 12 mm.

128°-137°

at 20 mm.

125°-134°

at 15 mm.

132°-141°

at 20 mm.

130°.139°

at 25 mm.

120°

at 12 mm.

123°-125°

at 15-20 mm.

at 40 mm.

at 12 mm.

Optica Rotations.

• 25° 30'


• 23° 20'


• 18° 20'


• 10° 55'


• 13° 45'


• 13° 48'


• 9° 40'


• 2° 58'

-9°

• 9° 56'


• 9° 10'


• 11° 23'


• 10°
  -9° 30'
  -9°


• 12° 20'
  -13°


• 11° 10'

40 %.

• 27° 14'


• 25° 48'

20 %.

-29° 20'

• 29 20'


• 19° 20/ - 20° 52'


• 15° 10


• 14° 20'
  (20 °/ 0 )
  -8° 5'


• 2° 15'


• 9° 20/


• 9° 10'
  -8° 50'


• 11° 33'
  -9° 55'

-9° 56'

• 13° 30'


• 11° 30'
  
  
  • 14° 4
  
  
  • 1 6° 30'
    
    
    • 32° 4o
      -33° 56
      
      
      • 24°
      
      
      
      
    
    
    • 17° 40'
    
    
    • 13° 30'
    
    
    
    
  
  
  
  

10°/ 0

Residual.

Difference I

Value. '

• 34° 50'


• 28° 30'


• 26° 20'


• 3° 36'

+ 0° 48'

-9°

• 8° 10'

-9° 30'

• 10° 11'


• 13° 30'
  -11° 35'

+ 3° 36'

+ 4° 15'

• 9° 40'
  (40 %)


• 8° 55'


• 6° So'


• 12° 30'
  (40°/c)


• 9' 20'


• 10° 55'


• 14° 55'


• 12° 10'

+ 17° 50'

+ 4° 15'

+ 9°

-4°

-4° 30'

• 7° 30'


• 10° 58'


• 12° 5/

-9° 20'

• 5° 10'
  -8°

-6° 45

+ 0° 15'

+ 27° 30'

+ 12° 37'

+ 10°

-f5 ° 56

+ 4° 30'

+ 3° 50'

+ 4°

tr

1

O

I1

o