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All abstracts by Takushi Yokoyama in conference series: Goldschmidt

(2022) Investigation on the Early-Stage Formation Mechanism of Silica Scale Under Acidic pH
Juhri S, Yonezu K, Harijoko A & Yokoyama T

(2019) Chemical State of Dissolved Aluminum in Silicic Acid Solution and its Adsorption Behavior to Silica
Masunaga S, Tasaka Y, Yonezu K, Kiyota Y, Watanabe K & Yokoyama T

(2018) Adsorption Behavior of MoO42- on α-Al2O3 and δ-MnO2
Yokoyama T, Kawamoto D, Shinjo T & Miyazaki A

(2017) Change in the Chemical State of [AuCl4-n(OH)n]- Complex Ion (n=0 – 4) by the Substitution of Cl- with OH-
Kawamoto D, Kurisaki T, Tokunaga M & Yokoyama T

(2017) Removal Mechanism of Al-Bearing Polysilicic Acid from Geothermal Water by CTAB for the Prevention of Silica Scaling
Yonezu K, Ohashi R, Watanabe K, Aacharya S & Yokoyama T

(2017) A New Viewpoint on the Polymerization of Silicic Acid in Geothermal Water
Inoue H, Yonedu K, Ueda A, Itoi R, Watanabe K & Yokoyama T

(2017) 113Cd CP-Mas NMR Spectra of Cadmium Hydroxides Containing Various Anions in their Structures
Sakai Y, Kawamoto D, Yokoyama T & Miyazaki A

(2016) Why Does the Pd/Pt Anomaly Cause for Marine Manganese Crust ?
Tanaka K, Kawamoto D, Ohashi H, Okaue Y, Tokunaga M & Yokoyama T

(2016) XRD and 113Cd MAS NMR Study on Hydrolysis Products of Cd2+
Sakai Y, Kawamoto D, Yokoyama T & Miyazaki A

(2016) Preparation of Synthetic Gd and Dy-Doped Silica Glass for Geochemical Reference Material: A Preliminary Characterization
Yonezu K, Kawamoto Y, Ohashi H, Kawamoto D, Honma T & Yokoyama T

(2015) Local Structure of Al and Cd in Al-Cd Hydroxide Coprecipitates
Miyazaki A, Yamanishi Y, Ohashi H & Yokoyama T

(2015) Adsorption Behavior of Silicic Acid on Anion Exchange Resin with Trimethyl Ammonium Groups Consisting of Cellulose Framework
Akinaga M, Eguchi K, Okaue Y & Yokoyama T

(2014) Chemical State of Cesium Concentrated in Truscottite
Ohashi H, Yonezu K, Honma T, Kawamoto D, Okaue Y, Watanabe K & Yokoyama T

(2013) A Model Study on the Effects of Polyacrylic Acid Added in Geothermal Water on the Growth of Silica Scale at a Geothermal Power Plant
Masunaga S, Etou M, Okaue Y & Yokoyama T

(2013) Adsorption Experiment of Rare Earth Elements on Clay Minerals: Implication to the Formation of Ion-Adsorption Type REE Deposit
Yonezu K, Nishida M, Watanabe K & Yokoyama T

(2013) Dissolution of Amorphous Silica in the Presence of Ca2+ and Mg2+ at pH 6 and 9
Otsu E, Etou M, Okaue Y & Yokoyama T

(2013) Ge/Si Atomic Ratio of Siliceous Deposit Formed from Geothermal Water: As an Indicator of Silica Source of BIF
Yokoyama T & Ohmoto H

(2012) Local Structure of Al in Al-Zn Hydroxide Coprecipitates
Miyazaki A, Etou K, Etou M, Yonezu K, Balint I & Yokoyama T

(2011) Effect of Initial Al Concentration, pH and Silicic Acid on the Formation and Stability of Tridecameric Al Polymer
Etou M, Hagiwara S, Saito T, Okaue Y & Yokoyama T

(2011) Silicic Acid Removal as Calcium or Magnesium Silicate from Geothermal Water
Yonezu K, Kawabata Y, Watanabe K & Yokoyama T

(2011) Adsorption and Sorption of Zn2+ on the Surface of Aluminum Hydroxide
Miyazaki A, Numata M, Etou M, Yonezu K, Balint I & YOkoyama T

(2011) Arsenic in Siliceous Deposits Formed from Geothermal Water
Sabita A, Yonezu K, Okaue Y & Yokoyama T

(2010) Characterization of a Silica-Induced Protein in Thermus Thermophilus Related to Biosilicification
Doi K, Fujino Y, Ohshima T & Yokoyama T

(2010) Interaction between Aluminium Ion and Poly(acrylic Acid) in Aqueous Solution
Etou M, Masaki Y, Bai S, Tsuji Y, Okaue Y & Yokoyama T

(2010) Role of Ferric and Aluminum Ions for Silica Biodeposition on the Surface of Microbes
Naren G, Bai S, Okaue Y & Yokoyama T

(2009) 27Al and 29Si MAS NMR Study on Adsorption of Monosilicic Acids to Aluminum Combined on the Surface of Chelate Resin, their Polymerization and Deposition of Silica: A Model Reaction for Biodeposition of Silica
Bai S, Naren G, Noma H, Okaue Y & Yokoyama T

(2009) Formation Conditions and Stability of a Toxic Tridecameric Al Polymer Under a Soil Environment
Saito T, Etou A, Bai S, Okaue Y & Yokoyama T

(2008) Geochemistry of Coordination Space on the Surface of Manganese Dioxide Covered with Hydroxyl Groups
Yokoyama T & Okaue Y

(2008) First Observation of a Silicic Acid- Organic Compound Complex Under Neutral Condition: Silicic Acid – Tiron Complex
Bai S, Tsuji Y, Okaue Y & Yokoyama T

(2008) Experimental Investigation of the Hydrothermal Geochemistry of Gold Deposition Associated with Aluminosilicate: The Formation Process of Epithermal Gold Deposits
Yonezu K, Yokoyama T, Imai A & Watanabe K

(2008) Speciation of Aluminum in Silicic Acid Solution
Saito T, Nishida I, Utsunomiya S, Okaue Y & Yokoyama T

(2008) Distribution of Rare Earth Elements in Riceplant (Oryza Stiva Var. Japonica)
Miyazaki A, Iwanaga Y, Shinozaki M, Yonezu K & Yokoyama T

(2007) Adsorption Behavior of Gold (I and III) Complexes on Manganese Dioxide
Sakomoto S, Yonezu K, Yokoyama T, Okaue Y, Imai A & Watanabe K

(2007) Adsorption and Coprecipitation Behaviors of Platinum(II) Complex Ions and with Manganese(IV) Dioxide and Manganese(II) Hydroxide: Model Reactions for the Concentration Mechanism of Platinum into Oceanic Manganese Nodule
Yamashita M, Taniguchi T, Okaue Y, Takahashi Y & Yokoyama T

(2007) REE Geochemical Study on the Formation Environment of the Hishikari Epithermal Gold Deposit, Japan
Yonezu K, Yasumatsu A, Okaue Y, Imai A, Watanabe K & Yokoyama T

(2007) A Study on the Formation Mechanism of Temagami Iron-Formations, Canada
Shimada Y, Yasumatsu A, Motomura Y, Okazaki R, Nakamura T, Ohmoto H, Okaue Y & Yokoyama T

(2007) The Effect of Organic Compounds on the Dissolution of Amorphous silica-Pyrochatechol, Salicylate, Hydrogen Phthalate
Bai S, Matsubayashi K, Okaue Y & Yokoyama T

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