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Synthesis and thermal analysis of indium-based hydrotalcites of formula Mg6In2(CO3)(OH)16?H2O
Hydrotalcite synthesis Hydrocalumite Raman spectroscopy Indium
2011/11/10
Insight into the unique structure of layered double hydroxides (LDHs) has been obtained using a combination of X-ray diffraction and thermal analysis. Indium containing hydrotalcites of formula Mg4In2...
Calorimetric studies of the energetics of order-disorder in the system Mg1-xFexCa(CO3)2
Calorimetric studies energetics order-disorder system Mg1-xFexCa(CO3)2
2012/4/1
Calorimetric studies by Chai and Navrotsky (1996) on dolomite-ankerite energetics have beenextended by including two additional types of samples: a very disordered stoichiometric MgCa(CO3 2prepared fr...
Synthesis, characterization, and energetics of solid solution along the dolomite-ankerite join, and implications for the stability of ordered CaFe(CO3)2
Synthesis characterization energetics dolomite-ankerite join implications CaFe(CO3)2
2012/4/6
Samples along the dolomite-ankerite join weresynthesized using a piston-cylinder ap-paratus and the double-capsule method. Some ofthe ankerite samples maybedisordered. Thermal analysis and X-ray diffr...
Mechanism of the SiO4 for CO3 substitution in defernite, Ca6(CO3)1.58(Si2O7)0.21(OH)7
Mechanism SiO4 CO3 substitution defernite Ca6(CO3)1.58(Si2O7)0.21(OH)7
2012/4/6
Defernite, Ca6(C03)L5s(Si207)o.21(OHMClo.5o(OH)o.os(H20)od, is a carbonate mineral [space group Pnam; at 100K:a= 17.744(2), b=22.601(4), c =3.633(1) A,Z=4]withzeolite-like structural channels. The str...
Decarbonation Behavior of Mg-Al-CO3 Hydrotalcite-like Compounds during Heat Treatment
Decarbonation Heat treatment Hydrotalcite
2011/12/28
Historically, the decarbonation of Mg-Al-CO3 hydrotalcite-like compounds (HTlc) has been thought to occur between 400° and 500°C. The present work demonstrates that when HTlcs having the maximum Al co...