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℞. Hydrargyri bichloridi,

Potassii permanganatis ................ āā 3 ss

Aquae..............Oij

M. - Dr. Sternberg.

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The following antiseptics represent the minimum quantity capable of preventing the putrefaction of a litre of broth:

First group eminently aseptic:

Biniodide of mercury..........gr. 1/3

Iodide of silver............gr. 1/2

Oxygenated water...........gr. 2/3

Nitrate of silver...........gr. 1 1/3

Bichloride of mercury.........gr. 1 1/6

The second group comprises certain very important medicaments.

Osmic acid..............gr. 2 1/3

Chromic acid.............. gr. 3

Chlorine...............gr. 4 1/4

Iodine................gr. 4 1/4

Chloride of gold...........gr. 4 1/4

Bichloride of platinum........gr. 4 2/3

Hydrocyanic acid............ gr. 6

Iodide of cadmium......... . gr. 8 1/2

Bromini...............gr. 9 1/3

Iodoform..............gr. 10 3/4

Chloride of copper..........gr. 10 3/4

Chloroform............. gr. 12

Cupric sulphate............ gr. 14

The third group is the largest.

Salicylic acid............ gr. 15

Benzoic acid.............gr. 16 1/2

Cyanide of potassiun.......... gr. 18

Bichromate of potassium .................................. gr. 18

Picric acid.............gr. 19 2/3

Ammonia............... gr. 21

Zinc chloride............. gr. 29

Essence of mirobalane......... gr. 40

Sulphuric acid,

Nitric acid,

Hydrochloric acid, .....................................gr. 30 to 45

Phosphoric acid,

Essence of bitter almond........ gr.45

Phenic acid.............. gr.48

Permanganate of potash.......gr. 52 1/4

Alum.................3 1 1/4

Tannin.............. 3 j gr. 12

Oxalic acid,

Tartaric acid, ........ gr. 45 to 31 1/4

Citric acid,

Sulphate of potassium......... 31 1/4

The fourth group, (substances moderately antiseptic.)

Bromhydrate of quinine.......gr. 52 1/2

Arsenious acid............. 31 1/2

Sulphate of strychnine......... 31 1/2

Bone acid............... 31 1/2

Hydrate of chloral......... 3 3 gr. 20

Salicylate of sodium......... 32 1/2

Sulphate of protoxide of iron .................. 32 gr. 22 1/2

Fifth group, (feebly antiseptic).

Sulphuric ether............35 1/2

Hydrochlorate of morphine......319 1/2

Ethyl alcohol.............33 1/3

In the sixth and last group. Iodide of potassium..........34 1/2

Chloride of sodium.........35 32 1/2

Glycerine . . .......... 37 - 34 1/2

Bromide of potassium........38 1/3

Hyposulphite of sodium.........39

Dujardin-Beaumetz, M. D.