Comparison of three colorimetric methods for the determination of manganese in freshwaters

Standard methods for the examination of water and wastewater: 20th ed

Choice Reviews Online · 2000 · 1.5K citations

Engineering, Environmental Engineering, Environmental Sciences +12

The use of ultra-violet absorbance for monitoring the total organic carbon content of water and wastewater

Richard A. Dobbs, Robert H. Wise, Robert B. Dean · Water Research · 1972 · 181 citations

Natural Sciences, Chemistry, Environmental Sciences +11

Spectrophotometric determination of manganese with 1-(2-pyridylazo)-2-naphthol and a non-ionic surfactant

Katsumi Goto, Shigeru Taguchi, Yoko Fukue et al. · Talanta · 1977 · 87 citations

Natural Sciences, Chemistry, Analytical Chemistry +6

Spectrophotometric Investigation of Analytical Reagent 1-(2-Pyridylazo)-2-naphthol and Its Copper Chelate

Burton Frank Pease, M. B. Williams · Analytical Chemistry · 1959 · 79 citations

Natural Sciences, Chemistry, Analytical Chemistry +5

Solvent extraction and spectrophotometric d.etermination of metals with 1 -(2-pyridylazo)-2-naphthol

Shozo Shibata · Analytica Chimica Acta · 1961 · 73 citations

Natural Sciences, Chemistry, Toxicology +10