Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Z. Yermiyahu"'
Publikováno v:
Colloid and Polymer Science. 286:1233-1242
The deep blue organoclay color pigment (OCCP), naphthylazonaphthylammonium–montmorillonite, was synthesized in an aqueous suspension by treating montmorillonite with naphthylammonium chloride followed after 2 h by NaNO2. The reddish-brown azo dye n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d1418ee897d7d60440e6cb14ac300f9
https://doi.org/10.1007/s00396-008-1880-4
https://doi.org/10.1007/s00396-008-1880-4
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a0a061adac39d7dad1ac1074ade9077
https://doi.org/10.1007/s10973-007-8378-z
https://doi.org/10.1007/s10973-007-8378-z
Publikováno v:
Applied Clay Science. 37:1-11
The anionic dye Congo red (CR) was protonated by dissolving it in an aqueous solution of HCl at pH 1.2. Potentiometric titration of CR with HCl, supplemented by previous spectrophotometric studies of CR aqueous solutions at different pH values, revea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c29ff7852a44c9f25db02efc3dbfc2b
https://doi.org/10.1016/j.clay.2006.10.006
https://doi.org/10.1016/j.clay.2006.10.006
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b613dc645a794e46ea726bc2cbb6d9ab
https://doi.org/10.1007/s10973-006-8121-1
https://doi.org/10.1007/s10973-006-8121-1
Publikováno v:
Applied Clay Science. 30:33-41
The adsorption of protonated Congo red (CR) by montmorillonite was investigated by thermo-XRD-analysis. Montmorillonite was loaded at pH 1 with increasing amounts of CR up to 75 mmol per 100 g clay. Diffractograms of samples treated at 420 °C showed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ed0b0ac33a0ee2c925248865361caf6
https://doi.org/10.1016/j.clay.2005.03.002
https://doi.org/10.1016/j.clay.2005.03.002
Publikováno v:
Clay Minerals. 38:483-500
The adsorption of the anionic dye Congo Red (CR) by Na-, Cs-, Mg-, Cu-, Al- and Fe-montmorillonite was investigated by electronic spectroscopy. Spectra of the aqueous suspensions of different clay concentrations and different loadings were recorded.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::580afa56c67295e0f2e78ad5d3451364
https://doi.org/10.1180/0009855033840110
https://doi.org/10.1180/0009855033840110
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 72:413-441
The adsorption of the anionic dye congo-red (CR) by Na-, Cs-, Mg-, Al- and Fe-montmorillonite was studied by simultaneous DTA-TG. Thermal analysis curves of adsorbed CR were compared with those of neat CR. The oxidation of neat CR is completed below
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f220800981fea930e81bf257979f143b
https://doi.org/10.1023/a:1024596726087
https://doi.org/10.1023/a:1024596726087
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 69:317-332
The adsorption of the organic anionic dye Congo red (CR) by montmorillonite saturated with Na+, Cs+, Mg2+, Cu2+, Al3+ and Fe3+ was investigated by XRD of unwashed and washed samples after equilibration at 40% humidity and after heating at 360 and at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd6fad8a233b175c586380608bfa592d
https://doi.org/10.1023/a:1019922714798
https://doi.org/10.1023/a:1019922714798
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