Indigo
From London's Ghost Acres
A dye, used to create black Morocco leather (Yeats 1878, 297).
https://archive.org/details/aeu3853.0001.001.umich.edu
Indigo is predominately used as a colouring agent (https://en.wikipedia.org/wiki/Indigo), and in the Pharmacopeia it is used to produce a test solution, and is not used directly in any medicines.
Contents
British Pharmacopoeia 1867
Indigo
“A blue pigment prepared from various species of Indigofera.”[1]
Preparations of Indigo
Solution of Sulphate of Indigo (test solution) [2]
- indigo, dry and in fine powder (5 grains), sulphuric acid (10 fl oz)
References
- ↑ General Medical Council of Great Britain, British Pharmacopeia, (London: Spottiswoode & Co.,1867), 381 https://archive.org/details/britishpharmacop00gene
- ↑ GMCGB, 390
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- Gibraltar
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- United States
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