Search Results - "Lim, Lee Wah"

Separation of Inorganic Anions Using an 18-Crown-6-ether-modified Organic Polymer Monolithic Stationary Phase in Capillary Ion Chromatography by TSUGE, Kenichi, LIM, Lee Wah, TAKEUCHI, Toyohide

“…In this study, a monolithic organic polymer stationary phase was modified using 18-crown-6-ether for use in capillary ion chromatography. Its use in the…”
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Poly(ethylene glycol) Methyl Ether Methacrylate-bonded Stationary Phase in Ion Chromatography and Its Application to Seawater Samples by RONG, Li, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A fast and simple ion chromatographic method for the determination of iodide in seawater is reported using poly(ethylene glycol) methyl ether…”
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Retention Behavior of Inorganic Anions in Hydrophilic Interaction Chromatography by TAKAYAMA, Nobuyuki, LIM, Lee Wah, TAKEUCHI, Toyohide

“…The retention behavior of inorganic anions was studied in hydrophilic interaction chromatography (HILIC). In this study, five kinds of HILIC stationary phases…”
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Evaluation of Column Carryover of Phosphorylated Peptides and Fumonisins by Duplicated Solvent Gradient Method in Liquid Chromatography/Tandem Mass Spectrometry by SAKAMAKI, Hiroshi, UCHIDA, Takeharu, LIM, Lee Wah, TAKEUCHI, Toyohide

“…Columns made of three different materials were evaluated with regard to the carryover of phosphorylated peptides and fumonisins in liquid chromatography/tandem…”
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Optimization and Investigation of Zwitterionic Monolithic Stationary Phases for Capillary Ion Chromatography by TAKAYAMA, Nobuyuki, LIM, Lee Wah, TAKEUCHI, Toyohide

“…Zwitterionic monolithic columns were synthesized by a one-pot reaction using [2-(methacryloyloxy)ethyl]dimethyl-(3-sulfopropyl)ammonium hydroxide, ethylene…”
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Polyoxyethylene as the Stationary Phase in Ion Chromatography by LIM, Lee Wah, RONG, Li, TAKEUCHI, Toyohide

“…The present article reviews the use of polyethylene glycol (PEG) or polyoxyethylene (POE) as the stationary phase for the separation of inorganic anions in ion…”
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Separation of Inorganic Anions on a Chemically Bonded 18-Crown-6 Ether Stationary Phase in Capillary Ion Chromatography by TAKEUCHI, Toyohide, TOKUNAGA, Kimi, LIM, Lee Wah

“…Inorganic anions were separated on a chemically bonded 18-crown-6 ether (18C6E) stationary phase in capillary ion chromatography. In this study 18C6E groups…”
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Separation of Inorganic Anions on a Pyridine Stationary Phase in Ion Chromatography by TAKEUCHI, Toyohide, KAWASAKI, Tatsuya, LIM, Lee Wah

“…The retention behavior of inorganic anions on a pyridine stationary phase commercially available for hydrophilic interaction chromatography was examined in ion…”
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Multifunctional Separation Mechanism on Poly(oxyethylene) Stationary Phases in Capillary Liquid Chromatography by TAKEUCHI, Toyohide, LIM, Lee Wah

“…The retention behavior on poly(oxyethylene) (POE) chemically-bonded stationary phases was investigated in ion-exchange, reversed-phase (RP) and hydrophilic…”
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Determination of Iodide in Seawater by Capillary Ion Chromatography Using Hexadimethrine Bromide Modified C30 Stationary Phases by RONG, Li, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A novel and simple capillary ion chromatographic method for the determination of iodide is reported. Separation was achieved on a laboratory-made packed…”
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Methacrylate-based Diol Monolithic Stationary Phase for the Separation of Polar and Non-Polar Compounds in Capillary Liquid Chromatography by LINDA, Roza, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A monolithic capillary column prepared with glycidyl methacrylate (GMA) and poly(ethylene glycol) dimethacrylate (PEGDMA) was investigated and used in…”
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Separation of Gold Nanoparticles with a Monolithic Silica Capillary Column in Liquid Chromatography by Siswoyo, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A separation system for gold nanoparticles was developed using monolithic silica capillary columns with 50 μm i.d., which were prepared via in-situ sol-gel…”
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Simultaneous Determination of Fe(III) and Fe(II) Ions via Complexation with Salicylic Acid and 1,10-Phenanthroline in Microcolumn Ion Chromatography by OKTAVIA, Budhi, LIM, Lee Wah, TAKEUCHI, Toyohide

“…Fe(III) and Fe(II) ions were separated and determined via in-column and post-column reactions with salicylic acid and 1,10-phenanthroline by microcolumn ion…”
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損傷した鉄筋コンクリートの非破壊元素検査に向けた共焦点微小部蛍光X線分析法の適用 by 松山, 嗣史, 奥田, 晟生, 安田, 天, リム, リーワ, 辻, 幸一

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Separation of Inorganic Anions by Liquid Chromatography with Crown Ether as Eluent Additive by TAKEUCHI, Toyohide, LIM, Lee Wah

“…Inorganic anions were separated on a reversed-phase stationary phase dynamically modified with crown ether as a selector in capillary ion chromatography. The…”
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Hydrodynamic Chromatography of Silica Colloids on Small Spherical Nonporous Silica Particles by TAKEUCHI, Toyohide, SISWOYO, ASPANUT, Zarina, LIM, Lee Wah

“…Hydrodynamic chromatography of silica colloids with 5 - 78 nm was investigated for spherical nonporous silica packed columns. Use of phosphate buffer as the…”
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Simultaneous Determination of Inorganic Cations by Capillary Ion Chromatography with a Non-suppressed Contactless Conductivity Detector by RONG, Li, LIU, Zhiguo, MA, Menglin, LIU, Jiaqin, XU, Zhihong, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A non-suppressed capillary ion chromatographic method with a laboratory-made packed cation-exchange column (100 mm × 0.32 mm i.d.) was developed for the…”
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Indirect Detection of Ethylene Glycol Oligomers Using a Contactless Conductivity Detector in Capillary Liquid Chromatography by TAKEUCHI, Toyohide, SEDYOHUTOMO, Anang, LIM, Lee Wah

“…Ethylene glycol oligomers were visualized by indirect conductimetric detection based on dilution of the mobile phase due to the analytes. A high electrical…”
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Simultaneous Determination of Antidepressants by Non-aqueous or Quasi-non-aqueous Capillary Electrophoresis by SASAJIMA, Yasuhide, LIM, Lee Wah, TAKEUCHI, Toyohide, SUENAMI, Koichi, SATO, Kiyohito, TAKEKOSHI, Yuji

“…Simultaneous determinations of 20 antidepressants were carried out by non-aqueous capillary electrophoresis using a background electrolyte consisting of an…”
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Vitamin U-bonded Stationary Phase in Capillary Ion Chromatography by JIANG, Xiao-Lin, LIM, Lee Wah, TAKEUCHI, Toyohide

“…A vitamin U-bonded stationary phase was prepared and the retention behavior of inorganic anions was examined using ion chromatography. Inorganic anions were…”
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