Microcosmic Salt

Chambers's Encyclopaedia, Volume 7: Maltebrun to Pearson, p. 179

Microcosmic Salt is used in blowpipe analysis, and may be prepared by mixing concentrated solutions of phosphate of soda and chloride of ammonium. It has the composition \text{NaNH}_4\text{HPO}_4 \cdot 4\text{H}_2\text{O}.

Source scan(s): p. 0188