Chemical preparation and crystal data for two new cyclotriphosphates MIIK4(P3O9)2 (MII=Co2+ and Mn2+)

Sbai, Kacem; Tridane, Malika; Abouimrane, Ali; Belaaouad, Saïd; Cherqaoui, A.

doi:10.1154/1.1566954

Cited by 2 publications

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References 9 publications

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“…Till now, there are only four cyclotriphosphates with the general formula M II M'2 II (P3O9).nH2O. These phosphates are Ba2Zn(P3O9).10H2O 2 , MnCa2(P3O9).10H2O, MnSr2(P3O9).4H2O and MnBa2(P3O9).6H2O 3,4 . The crystalline structure was solved only for Ba2Zn(P3O9).10H2O.…”

Section: Introductionmentioning

confidence: 99%

Chemical preparation, thermal behavior and infrared studies of the new cyclotriphosphate tetrahydrate of manganese and distrontium, MnSr2(P3O9)2.4H2O

et al. 2019

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A new cyclotriphosphate tetrahydrate of manganese and distrontium, MnSr2(P3O9)2.4H2O, was obtained as a polycrystalline sample by the method of ion-exchange resin. The cyclotriphosphate studied in this work is the second one having the formula MnSr2(P3O9)2.4H2O after BaZn2(P3O9)2.10H2O. Its crystallographic characterization, infrared studies and thermal behavior are given. The studied phosphate crystallizes in the triclinic system, P-1, with the following unit cell parameters : a = 6,653(1)Å, b = 7,110(1)Å, c = 5,123(1)Å, a = 103,37(2)°, b = 95,81(2)°, g = 93,04(2)° and Z = 1. The intermediate products of dehydration of MnSr2(P3O9)2.4H2O are MnSr2(P3O9)2.2H2O, mixture of ([Mn(PO3)2]∞ + 2g [Sr(PO3)2]∞) and mixture of ([Mn(PO3)2]∞ + 2b[Sr(PO3)2]∞). The thermal behavior of the studied condensed phosphate has been investigated and interpreted by IR absorption and X-ray diffraction experiments. The title compound can be used as catalyst, ion exchanger, the reactant in ionic conditions, intercalation reactions, superphosphate fertilizer and as an inorganic pigment in ceramics.

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Section: Introductionmentioning

confidence: 99%

Chemical preparation, thermal behavior and infrared studies of the new cyclotriphosphate tetrahydrate of manganese and distrontium, MnSr2(P3O9)2.4H2O

et al. 2019

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“…The dehydration of the reaction mixture under air and the formation of the product is usually described by using thermal analysis methods [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Thermal synthesis and characterization of AlχLa1-χ P3O9

et al. 2007

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New binary lanthanum-aluminum triphosphates were synthesized by thermal-condensation method from H 3 PO 4 , La 2 O 3 and Al(OH) 3 . These pigments could be potentially used as special inorganic pigments; their corrosion-inhibition properties were widely studied. Synthesis conditions were determined on the basis of DTA and TG measurements. The products were also characterized by X-ray diffraction analysis. Physical properties -density by pycnometric method, particle size distribution, oil number and critical pigment volume concentration (CPVC), pH and specific conductivity of their aqueous extracts were also determined.

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Chemical preparation and crystal data for two new cyclotriphosphates M^IIK₄(P₃O₉)₂ (M^II=Co²⁺ and Mn²⁺)

Cited by 2 publications

References 9 publications

Chemical preparation, thermal behavior and infrared studies of the new cyclotriphosphate tetrahydrate of manganese and distrontium, MnSr2(P3O9)2.4H2O

Chemical preparation, thermal behavior and infrared studies of the new cyclotriphosphate tetrahydrate of manganese and distrontium, MnSr2(P3O9)2.4H2O

Thermal synthesis and characterization of AlχLa1-χ P3O9

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