13.4.12

A New Supplement...: R. Realgar. Reseda. Rocella tinctoria. Rose Pink. Rouge. Rubiæ radix.


A New Supplement to the latest Pharmacopoeias of London, Edinburgh, Dublin, and Paris, Forming A Complete Dispendatory, Conspectus, and Dictionary of Medical Chemistry, Giving All the Old and New Names, Including the New French and American Medicines, and Poisons; with Symptoms, Treatment, and Tests; as Well As Herbs, Drugs, Compounds, Veterinary Drugs, With the Pharmacopoia of the Vetenary College, Nostrums, Patent Medicines, Perfumery, Paints, Varnishes, And similar articles kept in the Shops; With Their Compositions, Imitations, Adulterations, And Medicinal Uses, Being a General Book of Formulæ and Recipes For Daily Reference in the Laboratory and at the Counter.
Fourth edition, corrected, improved, and very much enlarged.
By James Rennie, M. A., Editor of the Quarterly Journal of Foreign Medicine; the Pharmacopeia Universalis; Author of a Conspectus of Prescriptions in Medicine, Surgery, and Midwifery; the Pharmacopeia Imperialis, &c. &c.
London: Baldwin and Cradock. 1837.
London: Thomas Curson Hansard, Paternoster Row.


REALGAR. Red Sulphuret of Arsenic, or Red Arsenic. A native ore of arsenic, which is used by painters. It may be made artificially, by subliming sulphur and arsenic.
Poisonous. See ARSENIC.

RESEDA. Yellow Woad. A genus of plants used chiefly in dying.

ROCELLA TINCTORIA. Litmus, or Dyer's Lichen.

ROSE PINK. A pigment, made by dyeing chalk, or whitening, with a decoction of Brazil wood and alum. The liquid is alcohol tinged with carmine.

ROUGE. A French term, applied to the red colours used for the toilette, to give an artificial freshness and bloom to a pale or faded complexion. Besides the preparations of carmine, &c., which will be found under the article PAINTS, I shall mention one or two more:
Take 3iv of prepared French chalk, 3ij of almond oil, and 3j of carmine; mix till thoroughly incorporated.
Or, Take 3iv of safflower, washed in water till it comes off colourless and dried, 3j of bicarbonate of potass, Oj of water; macerate, filter, and add a little French chalk, scraped fine, with 3iv of Durch rushes, on which the rouge is to be precipitated with lemon-juice or citric acid. See CARMINE and LAKE.

RUBIÆ RADIX. E. D.P. Madder. Rubia tinctorum. It has little smell, but tastes austere and bitter. It isastringent, and supposed to be emmenagogue and deobstruent. The powder has been given in doses of 3ss to 3j, or more, with sulphate of potass, four times a day, or in form of decoction. It tinges the urine blood-red, and also imparts its colour to the bones. It is apparently a remedy of little power, though it has been prescribed in jaundice, amenorrhœa, rickets, &c., and in the atrophy of infants. It is much used in dyeing, and in preparing lakes and other pigments. See LAKE.


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