chabazite Thesaurus Encyclopedia Wikipedia (ˈkæbəˌzaɪt) n (Minerals) a pink, white, or colourless zeolite mineral consisting of a hydrated silicate of calcium, sodium, potassium, and aluminium in hexagonal crystalline form. Formula: Ca2Al2Si4O12.6H2O ...
The synthesis of a crystalline material, in particular, a high silica zeolite, comprising a chabazite-type framework molecular sieve is conducted in the presence of an organic directing agent having the formula: [RRRN—R]QGuang CaoMachteld Maria Mertens...
An as-synthesized microporous material having a CHA structure and containing at least one organic structure directing agent that has the following general structure of the quaternary ammonium cation is disclosed: Formula (I) A microporous crystalline material made from the as-synthesized material is ...
The synthesis of a crystalline material, in particular, a high silica zeolite, comprising a chabazite-type framework molecular sieve is conducted in the presence of an organic directing agent having the formula:[R1R2R3N鈥擱4]+Q;wherein R1 and R2 are independently selected from hydrocarbyl ...
The crystal structure of the chabazite K with the formula (K1.33Na1.02Ca0.84)[Al4Si8O24]· 12.17H2O from late hydrothermalites in the Khibiny alkaline massif (Kola Peninsula) is established by X-ray diffraction analysis (CAD4 four-circle diffractometer, λMo K α radiation, graphite ...
A quadratic fit to the transposed temperature drop data gives ΔhHO= -52.97 (± 4.74) + 2.94 (± 0.68) n (kJ/mol), where ΔhHOis the partial molar enthalpy of hydration and n is the number of water molecules per 24 oxygen formula.Sang Shim...
The synthesis of a crystalline aluminophosphate or silicoaluminophosphate molecular sieve having a chabazite-type framework type is conducted in the presence of an organic directing agent having the formula (I) [RRRN鈥擱]X(I) wherein R, Rand Rare independently selected from the group consisting ...
X 2 O 3 :( n )YO 2 , ?in-line-formulae description="In-line Formulae" end="tail"? wherein X is a trivalent element, such as aluminum, boron, iron, indium, and/or gallium; Y is a tetravalent element such as silicon, tin, titanium and/or germanium; and n is greater than 100...
The synthesis of a crystalline material, in particular, a high silica zeolite, comprising a chabazite-type framework molecular sieve is conducted in the presence of an organic directing agent having the formula: [R1R2R3N-R4]+ Q- wherein R1 and R2 are independently selected from hydrocarbyl ...