Keiro Higuchi

Flow-Injection Spectrophotometric Determination of Nitrite and Nitrate in Biological Samples

Keiro Higuchi, Shoji Motomizu · Analytical Sciences · 1999 · 51 citations

Natural Sciences, Biochemistry, Chemistry +5

Application of chitosan functionalized with 3,4-dihydroxy benzoic acid moiety for on-line preconcentration and determination of trace elements in water samples

Akhmad Sabarudin, Osamu Noguchi, Mitsuko Oshima et al. · Microchimica Acta · 2007 · 50 citations · Full text

Natural Sciences, Chemical Engineering, Chemistry +11

Fully automated system for the continuous monitoring of ammonium ion in fish farming plant sea water by flow-injection analysis

H Muraki, Keiro Higuchi, Masanori Sasaki et al. · Analytica Chimica Acta · 1992 · 33 citations

Engineering, Environmental Engineering, Aquacultural Engineering +13

Spectrophotometric determination of anionic surfactants in river waters using 1-(4-nitrobenzyl)-4-(4-diethylaminophenylazo)-pyridinium bromide

Keiro Higuchi, Yasuaki Shimoishi, Haruo Miyata et al. · The Analyst · 1980 · 30 citations

Natural Sciences, Chemistry, Analytical Chemistry +15

On-Line Photo-Oxidative Decomposition of Phosphorus Compounds to Orthophosphate and Its Application to Flow Injection Spectrophotometric Determinations of Total Phosphorus in River and Waste Waters

Keiro Higuchi, Hiromitsu Tamanouchi, Shoji Motomizu · Analytical Sciences · 1998 · 28 citations · Full text

Natural Sciences, Chemistry, Environmental Sciences +17