| Hammarsten, Olof | <person> Swedish physiological chemist, 1841-1932. See: Hammarsten's reagent. (05 Mar 2000) |
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| Acrel, Olof | <person> Swedish surgeon, 1717-1806. See: Acrel's ganglion. (05 Mar 2000) |
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| Hammarsten's reagent | A mixture of 1 part 25% solution of nitric acid and 19 parts 25% solution of hydrochloric acid; the addition of a few drops to a mixture of 1 part of this reagent and 4 parts alcohol will give a green colour if bile is present. (05 Mar 2000) |