On Excretine by William Marcet (source code)

= On Excretine by William Marcet
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{tag=Work by William Marcet}
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https://upload.wikimedia.org/wikipedia/commons/6/69/Archives_of_medicine_-_a_record_of_practical_observations_and_anatomical_and_chemical_researches_connected_with_the_investigation_and_treatment_of_disease._Volume_1%2C_1859._%28IA_s2765id1396781%29.pdf

Archives of Medicine, volume 1, pp. 100–102. Contemporary account of extraction, solubility, melting behaviour and equivalent-weight analysis. The early analytical claims must be distinguished from later revisions of purity and identity.