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

This is likewise the case with the microcosmic salt, except that it is more easily volatilized in the reduction flame.

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

With microcosmic salt, the same reactions are produced.

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

Baryta and its compounds produce the same reactions with microcosmic salt.

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

Borax and microcosmic salt dissolve glucina and its compounds to a colorless bead which, when overcharged with glucina, or heated with the intermittent flame appears, after cooling, turbid or milk-white.

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