G. Frederick Smith
Cupferron, nitroso phenyl hydroxylamine-ammonium, and neo-cupferron, nitroso naphthyl hydroxylamine-ammonium;
Analytical Applications of Periodic Acid and Iodic Acid and Their Salts, Fifth Edition
Phenanthroline and substituted phenanthroline indicators
The Trace Element Determination of Copper and Mercury in Pulp and Paper Destruction of Cellulose by Wet Ashing Employing Mixed HNO3-HCIO4-H2SO4 "The Liquid Fire Reaction"