2018年3月1日 · X-ray diffraction (XRD) patterns were obtained by using a Rigaku Model D/Max-2500V/PC diffractometer (Japan) with Cu K α radiation (λ = 0.154 nm). The simulated XRD …

In this study, a chabazite-rich tuff (CHA) from the Bala deposit of Ankara region (Turkey) and its modified forms (CuCHA, AgCHA, FeCHA, and HCHA samples) were investigated at 273 and …

2019年3月1日 · The crystal structural of the membranes was identified by X-ray diffraction (XRD) with Cu Kα radiation (Shimadzu XRD-6100) at 2θ from 5° to 45° with a step of 0.02°. The …

Modified chabazite samples were characterized by X-ray diffraction (XRD), scanning electron microscope equipped with energy-dispersive spectroscopy (SEM-EDS), transmission electron …

The XRD results revealed that the chabazite employed, showed the characteristic peaks of chabazite (*) with some impurities (•), already indicated in the supplier's data sheet (Aysan et …

It was found that natural chabazite is composed of predominantly chabazite with small amounts of clinoptilolite and erionite. XRD showed that there are major structural changes to Fe- and...

2019年1月15日 · We report a detailed OSDA-free synthesis of Al-rich CHA with optimized Si/Al and H 2 O/SiO 2 ratios, and aging time. H-form of obtained CHA zeolites showed remarkable …

"Crystal structure of chabazite, a molecular sieve" Dent, L.S. and Smith, J.V. Nature, 181, 1794-1796, (1958) Special Conditions Locality: Felsenkeller, Nidda, Germany

Structure analysis of a natural chabazite was conducted at 123 K using single crystal X-ray diffraction. We have observed that in one of water sites, the electron density distribution, which …

Structure analysis of a natural chabazite was conducted at 123 K using single crystal X-ray diffraction. We have observed that in one of water sites, the electron density distribution, which …