microcosmic salt

American  

noun

Chemistry.

1. sodium ammonium phosphate.

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microcosmic salt British  

noun

1. 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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Etymology

Origin of microcosmic salt

First recorded in 1775–85

Example Sentences

See Examples For:

microcosmic salt

Strontia or its compounds produce with borax, or microcosmic salt, the same reactions as baryta.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

Detection.—Titanium is detected in an insoluble residue by fusing the residue for some time in a bead of microcosmic salt.

From A Text-book of Assaying: For the Use of Those Connected with Mines. by Cornelius Beringer

With microcosmic salt and oxide of copper, gives the chlorine-reaction.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

The reactions with microcosmic salt are the same as with borax.

From A System of Instruction in the Practical Use of the Blowpipe Being A Graduated Course Of Analysis For The Use Of Students And All Those Engaged In The Examination Of Metallic Combinations by Anonymous

The angular concretions to the sides of the pot, formed as the urine cools, is microcosmic salt.

From Zoonomia, Vol. II Or, the Laws of Organic Life by Erasmus Darwin