Medical Archives Volume 8

Medical Archives Volume 8

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1872 edition. Excerpt: caused, although this madness was contracted voluntarily, yet the party is in the same situation with regard to crimes as if it had been contracted involuntarily at first, and is not punishable (1 Hale, " Pleas of Crown," 32). A disinfectant is, in the broadest acceptation of the term, anything which counteracts infectious, contagious, or effete matter. How a few disinfectants produce their effects is perfectly understood, and presents no kind of mystery; how other disinfectants work is matter of dispute, and regarding the action of a good number of them we have as yet hardly arrived at the stage of controversy. The material whose effects are to be opposed by disinfectants is held by some authorities to be animal or vegetable germs, and by others to be subtle organic poisons of surpassing power; and possibly enough may be of all these kinds, but must at any rate consist of complex organic matter. In common with all organic matter, the matter of contagion may be destroyed, and therefore rendered inoperative, by exposure to a red heat, in presence of excess of oxygen. Fire, therefore, is a disinfectant whose action is intelligible, and whose absolute efiicacy is undoubted. The action of destructive chemical agents, such as hot concentrated sulphuric, nitric, or chromic acid, is, in like manner, quite intelligible. Disinfection by this means is even more costly than by fire. V We have instanced disinfectants which are effective and imprac"ticable, in order to throw light on those which are practicable and not effective or much in vogue at the present time. Chlorine, which in the form of bleaching-powder is much employed as a popular disinfectant, will necessarily destroy contagious matter, as it does all organic matter, more

Product details

  • Paperback | 202 pages
  • 189 x 246 x 11mm | 372g
  • United States
  • English
  • black & white illustrations
  • 1236781457
  • 9781236781451