abstract:Spot analysis, spot test analysis, or spot test is a chemical test, a simple and efficient technique where analytic assays are executed in only one, or a few drops, of a chemical solution, preferably in a great piece of filter paper, without using any sophisticated instrumentation. The development and popularization of the test is credited to Fritz Feigl"Spot tests in organic analysis", numerous editionsFRITZ FEIGL (1891-1971), Bull.
In retrospect, the roots of the crisis are easy to spot, Wachter writes in her analysis, co-written with is Richard K. Green, professor of finance and economics at George Washington University.