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microcosmic salt
microcosmic salt
noun
- a white soluble solid obtained from human urine; ammonium sodium hydrogen phosphate. It is used as a flux in bead tests on metal oxides
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51Թ History and Origins
Origin of microcosmic salt1
First recorded in 1775–85
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Example Sentences
Examples have not been reviewed.
Iodides.—Iodides are treated, as the bromides and chlorides, in a bead of microcosmic salt with oxide of copper.
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The angular concretions to the sides of the pot, formed as the urine cools, is microcosmic salt.
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The insolubility of a fragment of the mineral in a bead of microcosmic salt, is also a very good test; the fragment, on prolonged heating, does not lose its angular form.
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Strontia or its compounds produce with borax, or microcosmic salt, the same reactions as baryta.
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From the human system it is excreted by the kidneys as microcosmic salt, HNaNH4PO4; and when the brain is hard- worked, more than usual is excreted.
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