FOOTNOTES:
[1] See Phil. Trans., vol. lii. p. 227, and vol. lvi. p. 85.
[2] I shall mention afterwards that the real discoverer of this fact was Assessor Gahn, of Fahlun.
[3] Konig. Vetensk. Acad. Handl. 1770, p. 207.
[4] The reader will bear in mind that though the memoir was inserted in the Mem. de l'Acad., for 1772, it was in fact published in 1776, and the experiments were made in 1775 and 1776.
[5] From ὀξυς
[6] An excellent English translation of this book with several important additions by the author, has just been published by Mr. Griffin.
[7] This observation is not without exception. It does not hold when one of the salts is a phosphate or an arseniate, and this is the cause of the difficulty attending the analysis of these genera of salts.
[8] I have only seen eleven parts of this work, the last of which appeared in 1802; but I believe that a twelfth part was published afterwards.
[9] Acids and bases of the same class all unite. Thus sulphur acids unite with sulphur bases; oxygen acids with oxygen bases, &c.