[55] Of 41 samples of molassan, tested in Massachusetts in 1885, 12 contained tin chloride.
[56] The average composition of over 100,000 samples of raw cane sugar (mostly Cuban) tested in the United States Laboratory during the past five years, has been as follows:—
| Per cent. | |
| Moisture | 3·0 |
| Ash | 1·5 |
| Polarisation | 90° |
[57] The foregoing description of the polariscope was embodied in an article contributed by the author to Van Nostrand’s Engineering Magazine.
[58] Journ. Amer. Chem. Soc., i. p. 1.
[59] Wiley, Chem. News, xlvi. p. 175.
[60] ‘Comptes Rendus,’ xxviii. p. 775.
[61] ‘Analyst,’ iii. p. 269.
[62] Zeits. Anal. Chem., xxiv. p. 135.
[63] Journ. de Pharm. et de Chem., 1884, p. 459.