Hiroshi Takesako

Effect of cation-exchange pretreatment of aqueous soil extracts on the gas chromatographic–mass spectrometric determination of nerve agent hydrolysis products after tert.-butyldimethylsilylation

Mieko Kataoka, Noriko Tsunoda, Hikoto Ohta et al. · Journal of Chromatography A · 1998 · 56 citations

Natural Sciences, Chemistry, Soil Sciences +13

Isolation and purification of hydrophilic fulvic acids by precipitation

Syuntaro Hiradate, Takuya Yonezawa, Hiroshi Takesako · Geoderma · 2005 · 43 citations

Engineering, Chemical Engineering, Chemistry +5

Effect of Pedological Characteristics on Aqueous Soil Extraction Recovery and <i>tert</i>-Butyldimethylsilylation Yield for Gas Chromatography−Mass Spectrometry of Nerve Gas Hydrolysis Products from Soils

Mieko Kataoka, Kouichiro Tsuge, Hiroshi Takesako et al. · Environmental Science & Technology · 2001 · 30 citations

Agriculture, Earth Sciences, Soil Sciences +13

Fine fractionation and purification of the fulvic acid fraction using adsorption and precipitation procedures

Syuntaro Hiradate, Takuya Yonezawa, Hiroshi Takesako · Soil Science & Plant Nutrition · 2007 · 24 citations

Natural Sciences, Chemistry, Analytical Chemistry +13

Development of a nitrate ion-selective electrode based on an Urushi matrix membrane and its application to the direct measurement of nitrate-nitrogen in upland soils

S. Ito, Kamal Baba, Y. Asano et al. · Talanta · 1996 · 16 citations

Agriculture, Earth Sciences, Environmental Sciences +16