The toxicologist's guide

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Longmans, Green, and Company, 1866 - 73 стор.

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Сторінка 58 - ... the filtered solution is next treated with caustic potash, and distilled to dryness in an oil bath. The distillate contains the aniline, which is detected by the nascent oxygen of a galvanic battery thus : A drop or so of the solution of aniline in 1000 of dilute sulphuric acid (1 to 7 of water) is placed on a clean piece of platinum foil and touched with the negative...
Сторінка 58 - Nitro-benzole passes i over into the receiver unchanged, and can be detected by the bitter-almond like smell ; the residue in the retort is treated with strong alcohol to extract the sulphate of aniline ; the alcoholic solution is treated with acetate of lead to precipitate organic matter, and the excess of lead...
Сторінка 56 - It is sparingly soluble in water, but readily so in alcohol and in dilute acids.
Сторінка 62 - ... Considering that but very small quantities are likely to be found, the method proposed by Mitscherlich is most easy and reliable, and should have been given. Mr. Horsley concludes his account of the tests for phosphoric acid with a note which will, we fear, prove a stumbling-block to his readers : — " As phosphorus in some form or another enters into the composition of the human body, allowance must be made in calculating the amount of phosphoric acid obtained in an

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