Quickly empty the contents of the blue phial, of the white phial, and of the magnesia package into the metal receptacle, and stir well with the spoon. A packet of oxide of magnesium (light).A white phial, hermetically sealed, containing 30 cc of caustic potash.A blue hermetically sealed phial, containing 30 cc of a 33 per cent, solution of ferrous sulphate.A metal receptacle to hold about a pint, and a spoon.In every cyanide-room there should be kept three boxes, containing. Two grams of powdered oxide of magnesium (light). ![]()
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