Robert M. Chapin

1877 – 1940

• Arsenical cattle dips
• Chemical and physical methods for the control of saponified cresol solutions
• Studies on changes in the degree of oxidation of arsenic in arsenical dipping baths
• The analysis of coal-tar creosote and cresylic acid sheep dips
• The chemical composition of lime-sulphur animal dips
• The determination of nicotin in nicotin solutions and tobacco extracts
• A field test for lime-sulphur dipping baths
• Laboratory and field assay of arsenical dipping fluids