Photometric analysis of trace amounts of hydrazine with p-dimethylamino benzaldehyde. Chemical equilibria. Part II

Abstract

Additional chemical equilibrium data are presented for aqueous solutions into which have been put p-dimethylaminobenzaldehyde, HCl, and hydrazine sulfate. The photometric measurement of the thermodynamic equilibrium constant for p-dimethylaminobenzaldehyde protonation agrees to within experimental error with the value from solubility experiments. The average of the two is [Formula: see text].Some analytical chemical applications are discussed.