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Akademický článek
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Publikováno v:
Acta Horticulturae. :121-126
Akademický článek
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Autor:
S. Yariv, Isaak Lapides
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 97:19-25
DMSO-kaolinite complexes of low- and high-defect Georgia kaolinite (KGa-1 and KGa-2, respectively) were investigated by thermo-XRD-analysis. X-ray patterns showed that DMSO was intercalated in both kaolinites with a d(001)-value of 1.11 nm (type I co
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 92:35-42
In the present research we studied the effect of the solvent used, whether it was polar water or a non-polar organic solvent (n-hexane or n-hexadecane), on the basal-spacing and bulk structure of the sorbate-sorbent complexes obtained by the secondar
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 91:125-135
The blue organo-clay color pigment (OCCP) naphthylazonaphthylammonium-montmorillonite was synthesized from the white naphthylammonium-montmorillonite by treating with NaNO2, the azo colorant being located in the interlayer space. The following effect
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 90:99-106
Montmorillonite (M) saturated with H+,Li+,Na+,K+,Rb+,Cs+,NH4+,Mg2+,Ca2+,Sr2+,Ba2+,Mn2+,Co2+,Cu2+,Al3+ and Fe3+ were dry-ground with urea (U) in mass ratios U/M between 0.1 and 2.0 in an agate mortar and diffracted by X-ray. Extensive swellings occurr
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 88:795-800
An intense blue organo-clay color pigment was obtained by adding naphthyl-1-ammonium chloride to a Na-montmorillonite aqueous suspension followed by treatment with sodium nitrite. This treatment resulted in the synthesis of the azo dye 4-(1-naphthyla
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 87:125-134
Montmorillonite and Laponite loaded with different amounts of tributylammonium cations (TBAH+), up to 40 and 30 mmol, respectively, per 100 g clay, were studied by thermo-XRD-analysis. TBAH-smectites heated at 300 and 420°C exhibited basal spacings
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 82:585-594
Co- and Ni-montmorillonites adsorb in aqueous suspensions up to 13 mmol alizarinate per 100 g clay, onto the broken-bonds whereas Cu-clay adsorbs up to 25 mmol dye per 100 g clay into the interlayer space. Unloaded Co-, Ni- and Cu-clays and samples l