Spectrophotometric field monitor for water quality parameters

Determination of phosphate in seawater by flow injection analysis with injection of reagent

Kenneth S. Johnson, Robert L. Petty · Analytical Chemistry · 1982 · 152 citations

Natural Sciences, Marine Sciences, Oceanography +12

A highly sensitive flow-through phototransducer for unsegmented continuous-flow analysis demonstrating high-speed spectrophotometry at the parts per 109 level and a new method of refractometric determinations

D. Betteridge, E.L. Dagless, Brian D. Fields et al. · The Analyst · 1978 · 113 citations

Natural Sciences, Chemistry, Analytical Chemistry +13

A submersible flow analysis system

Kenneth S. Johnson, Carl L. Beehler, Carole M. Sakamoto‐Arnold · Analytica Chimica Acta · 1986 · 110 citations

Engineering, Marine Engineering, Ocean Engineering +12

Light Emitting Diodes and Phototransistors in Photometric Modules

H. Flaschka, C. McKeithan, Robert K. Barnes · Analytical Letters · 1973 · 65 citations

Engineering, Electrical Engineering, Optoelectronics +11

Ultratrace photometric determination of phosphate with a solid-state emitter as light source

Totaro Imasaka, Tichiro Kamikubo, Yuji Kawabata et al. · Analytica Chimica Acta · 1983 · 24 citations

Natural Sciences, Chemistry, Analytical Chemistry +13