MUREXID TEST
\mjˈʊɹɪksˌɪd tˈɛst], \mjˈʊɹɪksˌɪd tˈɛst], \m_j_ˈʊ_ɹ_ɪ_k_s_ˌɪ_d t_ˈɛ_s_t]\
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A characteristic color test for uric acid. It consists of carefully heating a trace of the crystalline acid with a drop of nitric acid on a porcelain surface until the nitric acid has been evaporated and a red coloration appears. Upon the addition of ammonia the color becomes purple, owing to the formation of murexid. It is a very sensitive test. [Lat.]
By Smith Ely Jelliffe
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).