Table 3

Substance.

T.

dp/dt.

c.

Substance.

T.

dp/dt.

c.

Oxygen . ...

90.5°

75.9*

0.000146*

Iodobenzene.............

461.45°

18.0

0.000120

Nitrogen............

77.5

89.0*

0.000146*

Bromonaphthal-

Argon ....................

86.9

83.2*

0.000138*

ene.............

553.45

15.75

0.000115

Chlorine.............

239.4

33.2

0.000126

Methyl ether...........

249.4

32.0

0.000125

Bromine..............

331.75

25.2

0.000120

Ethyl ether.............

307.6

26.9

0.000121

Iodine ..................

458.3

18.75

0.000116

Acetone.............

330.0

26.4

0.000115

Mercury................

629.75

13.4

0.000118

Benzophenone ....

578.8

15.8

0.000109

Sulphur...............

717.55

12.2

0.000114

Anthraquinone ......

650.0

13.6

0.000113

Ammonia ...........

240.1

37.7

0.000110

Aniline....................

457.4

19.6

0.000112

Sulphur dioxide......

262.9

33.7

0.000113

Quinoline ..........

510.45

17.0

0.000115

Carbon disul-phide.............

319.25

24.7

0.000127

Methyl formate ..... Ethyl formate .....

304.9 327.3

28.8 26.6

0.000114 0.000115

Boron trichloride...

291.25

26.8

0.000128

Propyl formate .......

353.9

24.5

0.000115

Phosphorus tri-chloride............

346.85

23.45

0.000123

Methyl acetate .... Ethyl acetate..........

330.1 350.15

26.8 251

0.000113 0.000114

Carbon tetra-chloride ...........

349.75

23.25

0.000123

Propyl acetate ..... Isobutyl acetate......

374.55 389.2

23.5 22.5

0.000114 0.000114

Silicon tetra-chloride............

329.9

24.0

0.000126

Methyl propion-ate ..............

352.7

24.9

0.000114

Stannic chloride.....

387.1

21.4

0.000121

Ethyl propionate.....

372.0

23.7

0.000113

Methane............. n-Pentane ............

108.3 309.3

68.2* 25.8

0.000135 0.000125*

Propyl propion-ate ..............

395.15

22.3

0.000114

n-Hexane ........... n-Heptane ..............

341.95 371.4

23.9 22.3

0.000122 0.000121

Isobutyl propion-ate ..............

409.8

21.4

0.000114

n-Octane.............

398.8

21.1

0.000119

Amyl propionate.....

433.2

20.4

0.000113

Isopentane ..............

300.95

26.2

0.000127

Methyl butyrate......

375.75

23.3

0.000114

Di-isobutyl..............

382.1

20.9

0.000125

Ethyl butyrate .........

392.9

22.3

0.000114

Hexamethylene ......

353.9

22.7

0.000124

Propyl butyrate.....

415.7

20.9

0.000115

Benzene.............

353.2

23.45

0.000121

Amyl butyrate ..... .

451.6

19.5

0.000113

Toluene.............

Ethyl benzene ....

383.7 409.15

21.75 20.3

0.000120 0.000120

Methyl isobutyr-ate ..............

365.3

23.8

0.000115

Naphthalene.......... Anthracene.............

491.05 616.0

17.1 15.0

0.000119 0.000108

Isobutyl isobutyr-ate ..............

419.6

20.6

0.000116

m-Xylene .............

412.0

21.1

0.000115

Methyl alcohol .

337.7

29.6

0.000100

Triphenyl meth-ane

626.0

14.8

0.000108

Ethyl alcohol Propyl alcohol ......

351.3 370.2

30.35

28.8

0.000094 0.000094

Methyl chloride .....

249.35

31.9

0.000126

Amyl alcohol...........

403.0

25.3

0.000098

Ethylene dibro-mide.............

405.0

20.8

0.000119

Phenol Acetic acid .............

456.0 391.5

20.5 23.9

0.000107 0.000107

Fluorobenzene . .. Chlorobenzene .

358.2 405.0

23.3 20.5

0.000120 0.000120

Phthalic anhy-dride.............

559.0

16.0

0.000112

Bromobenzene .

429.0

19.3

0.000120

Water ..............

373.0

27.2

0.000099