Preparation of Open Tubular Solid-Phase Extraction Column with 5-Amino-8-hydroxyquinoline-modified Gold Nanoparticle Phase for the Enrichment of Heavy Metal Ions von NUKATSUKA, Isoshi, OSANAI, Shigeaki, OHZEKI, Kunio

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Determination of Arsenic(III) and Total Arsenic(III,V) in Water Samples by Resin Suspension Graphite Furnace Atomic Absorption Spectrometry von ANEZAKI, Katsunori, NUKATSUKA, Isoshi, OHZEKI, Kunio

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Determination of V(IV) and V(V) by Electrothermal Atomic Absorption Spectrometry Following Selective Solid-Phase Extraction and the Study on the Change in the Oxidation State of Va... von NUKATSUKA, Isoshi, SHIMIZU, Yutaka, OHZEKI, Kunio

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Determination of Tin by Resin-Suspension Electrothermal Atomic Absorption Spectrometry after Enrichment as the Complex with Ammonium Pyrrolidinedithiocarbamate von TARUKI, Masanori, WAKUI, Takeshi, NUKATSUKA, Isoshi, OHZEKI, Kunio

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An Enrichment Method of Molybdenum on a Cellulose Nitrate Resin for the Determination by Electrothermal Atomic Absorption Spectrometry Coupled with the Resin Suspension Injection von NUKATSUKA, Isoshi, SHIMIZU, Yutaka, OHZEKI, Kunio

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8-Hydroxyquinoline Derivative as a Fluorescent Chemosensor for Zinc Ion von KAWAKAMI, Jun, OHTA, Masaki, YAMAUCHI, Yasuhiro, OHZEKI, Kunio

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Integration of Solid-phase Extraction with Electrothermal Atomic Absorption Spectrometry for Determination of Trace Elements von Nukatsuka, Isoshi, Ohzeki, Kunio

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Report of the 60th Symposium on Analytical Chemistry (Held in Hirosaki) von Ohzeki, Kunio

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Determination of Phenol in Tap Water and River Water Samples by Solid-Phase Spectrophotometry von NUKATSUKA, Isoshi, NAKAMURA, Sachiko, WATANABE, Kaori, OHZEKI, Kunio

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Extraction of Trace Amounts of Copper(II) on a Membrane Filter Using 5,10,15,20-Tetraphenyl-21H,23H-porphinetetrasulfonic Acid for the Determination by Solid-Phase Spectrophotometr... von SHIMIZU, Toshio, NUKATSUKA, Isoshi, OHZEKI, Kunio

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Determination of Cadmium and Lead in Tap Water by Graphite- Furnace Atomic Absorption Spectrometry after Preconcentration on a Finely Divided Ion-Exchange Resin as the Pyrrolidined... von ANEZAKI, Katsunori, CHEN, Xueze, OGASAWARA, Tamotsu, NUKATSUKA, Isoshi, OHZEKI, Kunio

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Determination of molybdenum in sea water by solid-phase spectrophotometry von Nukatsuka, Isoshi, Nishimura, Akira, Ohzeki, Kunio

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Solid-phase extraction with slurry injection of the resin into etaas for trace determination of thallium in natural water von NUKATSUKA, Isoshi, SEITOH, Hiroyuki, OHZEKI, Kunio

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Solid-Phase Spectrophotometric Determination of Titanium(IV) Using 4, 4′-Diantipyrylmethane von NUKATSUKA, Isoshi, SATOH, Risako, WADA, Yohko, OHZEKI, Kunio

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Kinetic Spectrophotometric Determination of Carbonate Ion in Water by the Complex Formation of Uranium(VI) with 2-(5-Bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol von IGARASHI, Asuka, NUKATSUKA, Isoshi, OHZEKI, Kunio

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Enrichment of trace amounts of copper as chelate compounds using a finely divided ion-exchange resin von Ohzeki, Kunio, Minorikawa, Masea, Yokota, Fumihiko, Nukatsuka, Isoshi, Ishida, Ryoei

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Solid-phase spectrophotometric determination of germanium on a membrane filter after collection using phenylfluorone and Zephiramine von Nukatsuka, Isoshi, Takahashi, Katsuya, Ohzeki, Kunio, Ishida, Ryoei

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Collection of niobium-phenylfluorone complex on a membrane filter for the determination of traces of niobium by solid-phase spectrophotometry von Nukatsuka, Isoshi, Miura, Tomoyoshi, Ohzeki, Kunio, Ishida, Ryoei

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Determination of thallium in potassium chloride and electrolyte replenishers by electrothermal atomic absorption spectrometry von NUKATSUKA, Isoshi, HORIGUCHI, Ryo, SEITOH, Hiroyuki, OHZEKI, Kunio, MIYASHITA, Fumihide

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DETERMINATION OF URANIUM (VI) IN SEAWATER BY SOLID-STATE SPECTROPHOTOMETRY von OHZEKI, KUNIO, ICHIMURA, KEIICHI, NUKATSUKA, ISOSHI, ISHIDA, RYOEI

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