Napier, James, 1810-1884, Fesquet, A. A · Philadelphia : H. Carey Baird · leaf 69
63 NITRIC ACID. nitric acid is obtained from a given weight. Thus, 100 lbs. of nitrate of potash give 62 lbs. of acid; while 100 lbs. of nitrate Fig. 5. … of soda would give 74 lbs. The best proportion of sulphuric acid to use with nitrate of potash is 2 equivalents, whereas less suffices with nitrate of soda. Nitric acid is generally prepared, on the large scale, in iron cylinders, placed so that a fire plays round them. Into these cylinders are put…
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