 The flame of sulphur and nitre contains a red ray which appears to me of a remarkable nature. This red ray appears to possess a definite refrangibility, and to be characteristic of the salts of potash, as the yellow ray is of the salts of soda, although,...  Annalen der Physik und Chemie - Page 871863Full view - About this book
 | 1862 - 670 pages
...of nitre and sulphur, he observed a red ray of low but definite retrangibility, which he regarded as characteristic of the salts of potash, as the yellow ray is of the salts of soda. He concludes his paper with the following observation, which follows some remarks upon some experiments... | |
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