Powder of Nitrous acid

Automated live-review record

This formula was extracted automatically from a historical source and published directly for live editorial inspection. It may contain OCR, title, botanical-identity, ingredient, structure or safety errors. Do not use it as treatment, dosage or self-care guidance.

Source: The Edinburgh new dispensatory : containing I. The elements of pharmaceutical chemistry. II. The materia medica ... III. The pharmaceutical preparations and compositions. Including translations of the Edinburgh pharmacopoeia published in 1809 ... Illustrated and explained in the language, and according to the principles of modern chemistry ... by Duncan, Andrew, Jun., 1773-1832; University of Leeds. Library (1811), materia-1-8.

Ingredients or materials as extracted

• Nitrous acid: of Sulphuret of antimony in powder, one pound ; Horn-shavings, two pounds. | Mix,"and throw thei into a wide crucible, heated to white- ness, stirring them assiduously until no visible vapours ascend, powder the residuum, and put it into a fit cruci- ble. ‘Then

Method as extracted

1. Grind according to the source passage: Roast the powder for two hours, with a heat gradually i in- creased to whiteness, and, when cold, grind it to a very fine powder. | Lond. | Take of Sulphuret of antimony in powder, one pound ; Horn-shavings, two pounds. | Mix,"and throw thei into a wide crucible, heated to white- ness, stirring them assiduously until no visible vapours ascend, powder the residuum, and put it into a fit cruci- ble. ‘Then apply heat, and gradually increase it, until it be kept white for two hours. ‘Triturate the residuum in- to a very subtile powder. | ‘Turs is supposed to be nearly the same with the celebra- | ted nostrum of Dr James, which, according to the analysis of Dr George Pearson, confirmed by Mr Phillips, consists of 43 phosphate of lime, and 57 oxide of antimony. | By burning sulphuret of antimony and shavings of harts- | horn in a white heat, the sulphur is entirely expelled, and the antimony is oxidized, while the gelatin of the hartshorn is destroyed, and nothing is left but phosphate of lime, com- bined with a little lime.

Live editorial status

This record was published without a human-review gate by site policy. Automated flags at publication: no primary ingredient taxon link, non botanical title identity, not marked promotable, critical hazard archive only. Publication makes the source extraction inspectable; it does not verify identity, completeness, efficacy or safety.