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The Propaganda for Reform

JAMA. 1911;LVI(3):210. doi:10.1001/jama.1911.02560030046023.
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Zernik: Arb. a. d. Pharmazeut. Inst. d. Univ. Berlin , 1907, iv46.
Chemical Laboratory of the American Medical Association , Vol. I, p. 55
Sodium was estimated by converting to sodium sulphate in the usual way, with the following results: (a) 1.0319 gm. Formurol yielded 0.3621 gm. sodium sulphate, equivalent to 11.38 per cent. sodium. (b) 0.8783 gm. Formurol yielded 0.3035 gm. sodium sulphate, equivalent to 11.20 per cent, sodium; average, 11.29 per cent., equivalent to 62.50 per cent. disodium citrate (C6H6O7Na2+H2O).
The matter insoluble in chloroform was determined by weighing Formurol to a tared filter, which had been washed with chloroform and dried at 100 degrees, and percolating with chloroform till the dried filter and contents became constant in weight. By this method (a) 1.0769 gm. Formurol yielded 0.6826 gm. or 63.23 per cent. matter insoluble in chloroform; and (b) 1.1178 gm. Formurol yielded 0.7079 gm. or 63.49 per cent. insoluble matter; average, 63.36 per cent.
Therap. d. Gegenw. , (February) , 1909.


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