C. B. Sclar, L. Carrison
Jun 14, 1963
Citations
1
Influential Citations
11
Citations
Journal
Science
Abstract
A unique crystalline phase was the sole constituent in newly opened containers of commercial reagent-grade "ammonium carbonate." The chemical composition, optical constants, x-ray powder diffraction pattern, infrared absorption spectrum, and density indicate a double salt, ammonium bicarbonate-carbamate (NH4HCO3�NH4 CO2NH2), which is unstable in air at ambient temperature and decomposes rapidly to ammonium bicarbonate.