microcosmic salt definition

  • noun:
    • A white crystalline salt of phosphorus, HNaNH4PO4·4H2O, used in blowpipe analysis of minerals to test for the presence of certain metals.
    • A white salt, obtained from urine; once found in the preparation of phosphorus, and used in analytical tests for some metals; ammonium salt hydrogenphosphate (NH4)NaHPO4.
    • See under Microcosmic.
    • a white sodium present in urine and always test for steel oxides
  • adjective:
    • a white crystalline compound acquired by mixing solutions of sodium phosphate and ammonium phosphate, and labeled as hydric-sodic-ammonic-phosphate. It really is a strong flux, and is made use of instead for borax as a blowpipe reagent in evaluating for metallic oxides. Originally gotten by the alchemists from human urine, and labeled as sal microcosmicum.

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  • Hypernym for "microcosmic salt"
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