Components:
(1) Naphthalene,
C10H8; [91-20-3]
NIST WebBook
(2) 4-Nitro-1-methylbenzene,
C7H7NO2; [99-99-0]
NIST WebBook
Original Measurements
Kofler, A.; Z. Phys. Chem. 1940, 187A, 201-210.
Variables:
Ambient temperature: Temperature
Prepared by:
Method/Apparatus/Procedure:
Analytical balance and a hot-stage microscope.
Binary mixtures prepared by weight. Melting point temperatures determined by thermal analysis method developed by the author, using a hot-stage microscope.
Source and Purity of Materials:
- Purity and chemical source were not specified in paper.
- Purity and chemical source were not specified in paper.
Estimated Errors:
Ambient temperature: T/K: precision ±0.2 (compiler). x1: ±0.01 (compiler).
Experimental Values:
| T (K) | x1 | x2 |
|---|---|---|
| 325.2 | 0.0 | 1.0 |
| 320.2 | 1.1 x 10-1 | 8.9 x 10-1 |
| 314.2 | 2.1 x 10-1 | 7.9 x 10-1 |
| 307.2 | 3.1 x 10-1 | 6.9 x 10-1 |
| 303.7 | 3.7 x 10-1 | 6.3 x 10-1 |
| 306.7 | 4.2 x 10-1 | 5.8 x 10-1 |
| 318.7 | 5.2 x 10-1 | 4.8 x 10-1 |
| 328.2 | 6.2 x 10-1 | 3.8 x 10-1 |
| 335.2 | 7.1 x 10-1 | 2.9 x 10-1 |
| 343.2 | 8.1 x 10-1 | 1.9 x 10-1 |
| 349.2 | 9.1 x 10-1 | 9 x 10-2 |
| 353.7 | 1.0 | 0.0 |
(None) Compiler: Eutectic point occurs at about x1 = 0.386 and T/K = 302.7
