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

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

It fuses with microcosmic salt in the oxidation flame to a clear yellow bead, which is greenish-yellow when cold.

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

If the residual bead which has been treated with borax be further treated with microcosmic salt, the nickel reaction will be obtained and sometimes a slight copper 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

Gives the chlorine reaction with CuO and 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

Magnesia and its compounds give beads with borax and microcosmic salt similar to those of lime.

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