J.E. Harwood

A colorimetric method for ammonia in natural waters

J.E. Harwood, A. Kühn · Water Research · 1970 · 210 citations

Environmental Chemistry, Colorimetry, Colorimetric Method +3

The use of an ion-selective electrode for routine fluoride analyses on water samples

J.E. Harwood · Water Research · 1969 · 136 citations

Routine Fluoride Analyses, Chemical Engineering, Engineering +12

A rapid method for orthophosphate analysis at high concentrations in water

J.E. Harwood, R. A. Van Steenderen, A. Kühn · Water Research · 1969 · 93 citations

High Concentrations, Environmental Chemistry, Engineering +9

Automated analysis of ammonia in water

J.E. Harwood, D.J. Huyser · Water Research · 1970 · 67 citations

Water Monitoring, Environmental Engineering, Water Treatment +3

Some aspects of the phenol-hypochlorite reaction as applied to ammonia analysis

J.E. Harwood, D.J. Huyser · Water Research · 1970 · 49 citations

Chemical Engineering, Engineering, Phenol-hypochlorite Reaction +5