Hirotsugu Minami

Specializations

Analytical Chemistry

Research Topics

Lake Mashu baseline monitoring, Development of determination methods for ultra trace elements in natural waters, Formation mechanisms of natural methane hydrates in marine and lacustrine sediments

Keywords in Research

Solid sampling - atomic absorption spectormetry, Methane hydrates, Lake Mashu, Plasma mass spectrometry, Stable isotope ratio mass spectrometry, Analyses of trace elements

Affiliation

The Japan Society for Analytical Chemistry, The Chemical Society of Japan

Scientific Papers

Title / Publisher			Publish Date
Spectrophotometric Determination of Niobium(V) with N-cinnamoyl-N-2,3-xylylhydroxylamine and tiocyanate Anal. Lett. , 34, 2465-2475			2001-11
Preconcentration by coprecipitation of arsenic and tin in natural waters with a Ni-pyrrolidine dithiocarbamate complex and their direct determination by solid-sampling atomic absorption spectrometry Fresenius’ J. Anal. Chem., 370, 860-864			2001-11
Direct determination of silicon in powdered aluminium oxide by use of slurry sampling with in situ fusion graphite furnace atomic absorption spectrometry Fresenius’ J. Anal. Chem. , 370, 855-859			2001-11
Isotope Dilution Analysis of Selenite and Selenate in Natural Water Using Microwave-Induced Nitrogen Plasma Mass Spectrometry Anal. Sci., 19, 1359-1363			2003-08
Solvent extraction of lanthanides(III) with N-cinnamoyl-N-phenylhydroxylamine and its trifluorometyl derivative Solvent Extr. Ion Exch., 20, 596-610			2004-04
Differential determination of trace amount of arsenic(III) and arsenic(V) in seawater by solid sampling atomic absorption spectrometry after preconcentration by coprecipitation with a nickel-pyrrolidine dithiocarbamate complex Anal. Chim. Acta., 508, 99-105			2004-05
Simultaneous direct determination of aluminum, calcium and iron in silicon carbide and silicon nitride powders by slurry-sampling graphite furnace AAS Anal. Sci., 20, 455-459			2004-07
Hydrate Bearing Structures Mapped in the Sea of Okhotsk (CHAOS project), EOS, 86, 13-24			2005-01
Determination of selenium in biological samples by slurry sampling-ETV-in situ fusion-isotope dilution-MIP-MS Spectrochim. Acta. , 60, 327-331			2005-04
Lattice Expansion of Clathrate Hydrates of Methane Mixtures and Natural Gas Angew. Chem. Int. Ed., 44, 4-6			2005-11
Structure and thermal expansion of natural gas clathrate hydrates Chem. Eng. Sci. , 61, 2670-2674			2006-01
Synergistic extraction of lanthanides(III) by mixtures of N-p-methoxybenzoyl-N-phenilhydroxylamine and 1, 10-phenanthroline Solvent Extraction and Ion Exchange, 407, 115-117			2006-03
Coexistence of structure I and II gas hydrates in Lake Baikal suggesting gas sources from microbial and thermogenic origin Geophys. Res. Lett., 33, L24603			2007-01
Chemical composition of the pore waters in the bottom sediments of Lake Baikal Russian Geology and Geophysics			2007-03
Synergistic Extraction of Lanthanides(III) with N-p-Methoxybenzoyl-N-phenylhydroxylamine and Neutral Nitrogen Donors Separation Science and Technology			2007-03
Geotechnical properties of the shallow type methane hydrate-bearing sediments in the Lake Baikal Japanese Geotechnical Journal, 2, 95			2007-04
Isotopic fractionation of methane and ethane hydrates between gas and hydrate phases Geophys. Res. Lett., 34, L21502			2007-11
First discovery and formation process of authigenic siderite from gas hydrate-bearing mud volcanoes in fresh water: Lake Baikal, Eastern Siberia Geophys. Res. Lett.			2008-03
Crystallization of Authigenic Carbonates in Mud Volcanoes at Lake Baikal Geochemistry International, 46, 985-995			2008-06
Geochemistry of Pore Waters from Gas Hydrate-bearing Sediment Cores Retrieved at 　the Sea of Okhotsk Journal of Geography, 118, 1, 194-206			2009-03
Isotopic Composition and Crystallographic Properties of Gas Hydrate in the Sea of 　Okhotsk Journal of Geography, 118, 1, 207-221			2009-03
Geochemistry of Halogen and Iodine Radioisotope（129I） in Pore Waters from Shallow 　Gas Hydrate Systems in the Okhotsk Sea and Japan Sea Journal of Geography, 118, 1, 111-127			2009-03
Methane Hydrates and Plumes in the Sea of Okhotsk Journal of Geography, 118, 1, 175-193			2009-03
Natural gas hydrates with locally different cage occupancies and hydration numbers in Lake Baikal Geochem. Geophys. Geosyst., 10, Q05003, doi:10.1029/2009GC002473			2009-05
Model of formation of double structure gas hydrates in Lake Baikal based on isotopic data Geophysical Research Letters, 36, L18504, doi:10.1029/2009GL039805			2009-08
Preparation of Calibration Curves for the Direct Determination of Trace Level of Zinc in High Purity Iron and Steel Samples by Graphite Furnace Atomic Absorption Spectrometry Using Solid Sampling Technique Bunseki Kagaku, 58, 8, 771-775			2009-08
Molecular and isotopic characteristics of gas hydrate-bound hydrocarbons in southern and central Lake Baikal Geo-Mar. Lett., 30, 321–329			2010-07
Isotopic composition of dissolved inorganic carbon in subsurface sediments of gas hydrate-bearing mud volcanoes, Lake Baikal: implications for methane and carbonate origin Geo-Mar. Lett., 30, 427–437			2010-07
Isotopic composition of gas hydrates in subsurface sediments from offshore Sakhalin Island, Sea of Okhotsk Geo-Mar. Lett., 30, 313–319			2010-07
Concentration-depth profiles of trace nickel and vanadium in Lake Mashu and the possible input of anthropogenically derived nickel and vanadium from the atmosphere Bunseki Kagaku, 159, 1105-1111			2010-12
Development of determination method of trace nickel in natural water by ID-oxygen added nitrogen-MIP-MS with direct measurement of liquid-liquid extracted organic phase Int. J. Environ. Anal. Chem., 91, 9, 811-820			2011-08
Determination of zinc in marine/lacustrine sediments by graphite furnace atomic absorption spectrometry using Pd/Mg chemical modifier and slurry sampling Int. J. Environ. Anal. Chem., 91, 9, 856-865			2011-08
Low thermal anomalies associated with double structure gas hydrates in K-2 mud volcano, Lake Baikal Geo-Mar. Lett, 32, 407-417			2012-12
Possible variation in methane flux caused by gas hydrate formation on the northeastern continental slope off Sakhalin Island, Russia Geo-Mar. Lett., 32, 525-534			2012-12
Raman spectroscopic and calorimetric observations on natural gas hydrates with cubic structures I and II obtained from Lake Baika Geo-Mar. Lett., 32, 419-426			2012-12
Molecular and isotopic composition of sediment gases by an improved headspace gas method and hydrate-bound gases at the southern basin of Lake Baikal Geo-Mar. Lett., 32, 465-472			2012-12
Sequentially sampled gas hydrate water, coupled with pore water and bottom water isotopic and ionic signatures at the Kukuy mud volcano, Lake Baikal: ambiguous deep-rooted source of hydrate-forming water Geo-Mar. Lett., DOI 10.1007/s00367-014-0364-4			2014-03
Manifestation of Carbonate–Barite Mineralization around Methane Seeps in the Sea of Okhotsk (the Western Slope of the Kuril Basin) Oceanology, 55, 3, 390-399			2015-06
TOPOGRAPHY AND GENESIS OF THE MURINSKAYA BANKA UNDERWATER UPLAND (SOUTHERN BAIKAL) Geography and Natural Resources, 5, 109-116			2016-12
Mechanism of authigenic rhodochrosite formation in the near-bottom sediments of the Saint-Petersburg-2 gas-hydrate-bearing structure (central basin of the Baikal Lake) Neftegazovaya Geologiya. Teoriya I Praktika, 12			2017-08
Age of mud breccia from mud volcanoes in Academician Ridge, Lake Baikal Geodynamics & Tectonophysics, 8, 923–932			2017-12
New Evidence on the Relief of the Southern Underwater Slope in the South Baikal Basin Geography and Natural Resources, 39, 33-38			2018-04
Hydrogen and oxygen isotopic anomalies in pore waters suggesting clay mineral dehydration at gas hydrate-bearing Kedr mud volcano, southern Lake Baikal, Russia Geo-Marine Letters, 38, 403-415			2018-07
Authigenic rhodochrosite from a gas hydrate-bearing structure in Lake Baikal International Journal of Earth Sciences			2018-09
Gas hydates in Lake Baikal Limnology and Freshwater Biology, 1, 66-70			2018-11
Hydrocarbon molecular markers in bottom sediments of focused fluid discharge zones of Lake Baikal Neftegazovaya Geologiya. Teoriya I Praktika			2018-11
Shallow-rooted mud volcanism in Lake Baikal Marine and Petroleum Geology, 102, 580-589			2019-04
Stable Isotope Analyses Analytical Sciences, 35, 6, 607-608			2019-06
The lake floor morphology of the Southern Baikal rift basin as a result of Holocene and Late Pleistocene seismogenic and gravitational processes Quaternary International, 524, 115-121			2019-07
Structural Studies of Lake Baikal Natural Gas Hydrates Journal of Structural Chemistry, 60, 1437-1455			2019-10
Upwarding gas source and postgenetic processes in the shallow sediments from the ARAON Mound, Chukchi Sea Journal of Natural Gas Science and Engineering, 76, 103223			2020-04
Characteristics of hydrate-bound gas retrieved at the Kedr mud volcano (southern Lake Baikal) Scientific Reports, 10, 14747			2020-09
CO2 capture from CH4–CO2 mixture by gas–solid contact with tetrahydrofuran clathrate hydrate Chemical Physics, 538, 110863			2020-10
Methane with abnormally high δ13C and δD values from the coastal hot springs in Lake Baikal Lithology and Mineral Resources, 55, 439-444			2020-10
Long-lived center for gas-fluid emanations on the western slope of the Kurile Basin (Sea of Okhotsk) Lithology and Mineral Resources, 56, 4, 309-332			2021-07
Sublacustrine canyons of the South and Central Basins of Lake Baikal as a result of interaction of tectonic, lithological and climatic factors Quaternary International			2022-03
A New Oil and Gas Seep in Lake Baikal Petroleum Chemistry, 62, 475-481			2022-05
Impact of High Methane Flux on the Properties of Pore Fluid and Methane-Derived Authigenic Carbonate in the ARAON Mounds, Chukchi Sea Frontiers in Marine Science, 9			2022-07

Reference Papers

International Conference Papers / Proceedings

Lecture Presentations