microcosmic salt

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noun Chemistry.

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Origin of microcosmic salt

First recorded in 1775–85

Words nearby microcosmic salt

microcomputer, microcomputing, microconstituent, microcopy, microcosm, microcosmic salt, microcredit, microcrystal, microcrystalline, microculture, microcurie

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use microcosmic salt in a sentence

The oxide of niobium dissolved in a bead of microcosmic salt gives a bluish colour in the reducing flame.
A Textbook of Assaying: For the Use of Those Connected with Mines.|Cornelius Beringer and John Jacob Beringer
Heat the substance with a bead of microcosmic salt or borax on a platinum wire in the oxidizing flame.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1|Various
Many of the silicates give with borax a clear bead, while they form with microcosmic salt an opalescent one.
A System of Instruction in the Practical Use of the Blowpipe|Anonymous
Fused with borax, soda, or microcosmic salt, they give a clear bead.
A System of Instruction in the Practical Use of the Blowpipe|Anonymous

Baryta and its compounds produce the same reactions with microcosmic salt.
A System of Instruction in the Practical Use of the Blowpipe|Anonymous

British Dictionary definitions for 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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012