搜索结果: 1-8 共查到“凹凸棒石 La”相关记录8条 . 查询时间(0.123 秒)
Repartition des mineraux argileux et controle tectono-eustatique dans les bassins de la marge tunisienne
Mineralogy Clay Eustatism Tectonics Geodynamics Tunisia
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2011/11/14
We have studied the clay assemblages found in the different palaeogeographic domains located at the several Tunisian
margin basins, ranging in age from Palaeozoic to Neogene. This study has allowed u...
Enhanced Thermal Stability of Al-Pillared Smectites Modified with Ce and La
Bentonite Ce La Pillared Clays
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2011/12/6
Abstract: A commercial bentonite (primarily smectite) from Fischer Scientific Company (F bentonite) and a natural bentonite from Peru (P bentonite) were used in the preparation of pillared clays with ...
The Interlayer Structure of La-Vermiculite
8-Coordinated La La-vermiculite Ordered Structure
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2011/12/8
Abstract: The structure of the interlayer cation-water system in La-vermiculite with a unit cell of a = 5.33(5), b = 9.18(6), c = 15.13(9) 侌 and 兝 = 96.82(7)亱 has been determined in space group C2/m. ...
Preparation, Structural Characteristics and Catalytic Properties of Large-Pore Rare Earth Element (Ce, La)/Al-Pillared Smectites
Al13 Bentonite Hydroconversion Hydrocracking Laponite Montmorillonite Pillared Clays REE Saponite
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2011/12/27
Ce/Al- and La/Al-pillared smectites were prepared by cation exchange of bentonite, saponite and laponite with hydrothermally treated (130–160 °C for 16–136 h) solutions containing mixtures of aluminum...
Florencite-(La) with fissiogenic REEs from a natural fission reactor at Bangombé, Gabon
Florencite-(La) fissiogenic REEs fission reactor Bangombé Gabon
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2012/4/6
Florencite-(La) (La/Ce = 1.09) withfissiogenic REEsand florencite-(Ce) (La/Ce =0.62) have been identified in illite from the clay mantlesurrounding a natural, 2Gafission reactor atBangombeand in sands...
Solid solution between piemontite and androsite-(La), a new mineral of the epidote group from Andros Island, Greece
Solid solution piemontite androsite-(La epidote group Andros Island
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2012/4/6
Anew member ofthe epidote group, androsite-(La), wasfound atAndrosIsland, Cyclades, Greece, as an accessory constituent of metamorphic Mn-rich rocks. Associated minerals are rhodochrosite, braunite, r...
Preparation and Properties of Large-Pore La-Al-Pillared Montmorillonite
Aluminum Cross-linked smectite Lanthanum Montmorillonite Pillared interlayer complexes X-ray powder diffraction
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2011/12/31
Large-pore La-Al-pillared montmorillonite was prepared by reacting montmorillonite with hydrothermally treated mixtures of aluminum chlorohydrate and lanthanum chloride. The large-pore La-Al-pillared ...
Cross-linked Smectites. IV. Preparation and Properties of Hydroxyaluminum-Pillared Ce- and La-Montmorillonites and Fluorinated NH4+-Montmorillonites
Cross-linked smectite Hydroxy-Al Montmorillonite Pillared interlayered clays Pore-size distribution Rare earth elements
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2012/1/13
Reaction of hydroxy-Al oligocations with Ce3+- and La3+-exchanged montmorillonites, using 1.25, 1.60, or 2.0 mmole Al/g smectite, yielded partially pillared hydroxy-Al montmorillonite products contain...