1986
DOI: 10.1016/0021-9797(86)90205-5
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Variation of the surface energy characteristics of mica (muscovite) upon grinding

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Cited by 36 publications
(13 citation statements)
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“…They found an increase from about 48 to 71 mN m -1 after grinding alumina samples. Papirer et al (1986) have also found a value of 30 mN m -I for a mica (muscovite) sample and this value increases up to 100 mN m-~ upon grinding in ethanol or water. Therefore, the high values obtained for the slate sample may be originated during the grinding process.…”
Section: /T ( K -1)mentioning
confidence: 85%
See 1 more Smart Citation
“…They found an increase from about 48 to 71 mN m -1 after grinding alumina samples. Papirer et al (1986) have also found a value of 30 mN m -I for a mica (muscovite) sample and this value increases up to 100 mN m-~ upon grinding in ethanol or water. Therefore, the high values obtained for the slate sample may be originated during the grinding process.…”
Section: /T ( K -1)mentioning
confidence: 85%
“…The values obtained for KA and Ka for the slate sample are given in Table 6 and demonstrate the acidic nature of the slate surface as it was expected, considering the presence of mica, quartz and hydroxyl groups on the slate samPle. The acidity of silica and mica surfaces have been also found by Papirer et al (1986).…”
Section: --mentioning
confidence: 88%
“…A TGA curve was obtained using a heating rate of 6~ in the temperature range 20*--150~ sample is of fundamental significance to the calculation of the energy components. Complete data on the surface free energy components of clay minerals are useful for understanding the adsorptive properties of these minerals; however, literature data on this subject are rare (Papirer et al, 1986;Viani et al, 1983;Schultz et al, 1977). In the present paper, the surface free energy components of natural kaolinite have been determined by means of adsorption measurements.…”
Section: Introductionmentioning
confidence: 99%
“…Estos centros superficiales energéticos son posiblemente hidoxilos que están formando una capa superficial amorfa e hidratada. Esta misma técnica de IGC ha servido para analizar como cambia la superficie de la mica cuando es molida en diferentes medios (agua, alcohol, tolueno) y diferentes tiempos (7). Se ha observado como la energía superficial aumenta con el tiempo de molienda si se utiliza agua o alcohol en el medio, mientras que si se utiliza tolueno no ocurre tal aumento.…”
Section: Introductionunclassified
“…Se ha observado como la energía superficial aumenta con el tiempo de molienda si se utiliza agua o alcohol en el medio, mientras que si se utiliza tolueno no ocurre tal aumento. La variación de la energía superficial de la mica molida se ha correlacionado con el aumento de superficie específica ocurrida tras la molienda así como con la capacidad de intercambio catiónico de la misma (7).…”
Section: Introductionunclassified