Chapter 12.2 Identification and Quantitative Analysis of Clay Minerals

Środoń, J.

doi:10.1016/s1572-4352(05)01028-7

Cited by 68 publications

(19 citation statements)

References 40 publications

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“…The diffraction pattern of clay minerals was obtained by scanning the directional glass slides; clay mineral species were identified based on the clay mineral analysis method of Moore and Reynolds [29] and Środo ń [30]. Comparative analysis of the changes of characteristic peaks under different treatments are shown in Table 1.…”

Section: Clay Minerals Extraction and Determinationmentioning

confidence: 99%

Effect of Acidification on Clay Minerals and Surface Properties of Brown Soil

et al. 2022

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Globally, soil acidification is becoming a serious environmental and ecological concern, posing a major threat to ecosystem functions and services. In order to clarifying the acidification mechanism, evaluating acidification risk, and reconditioning soil acidification, the effects of acidification on clay mineral composition and soil surface properties should be evaluated. In this study, the surface charge, specific surface area (SSA), species and content of clay minerals were investigated using the ion adsorption method, methylene blue method, and X-ray diffraction (XRD) for brown soil samples, which collected from Muping, Shandong Province, China. The results showed that the clay mineral species and content varied with the degree of acidification. A small amount of montmorillonite was found in weakly acidic soils, and gibbsite was found in strongly acidic soils. Furthermore, although illite, kaolinite, vermiculite, and chlorite were commonly found in soils with different acidification degrees, their content differed. The negative charge (CEC8.2), permanent negative charge (CECP), variable negative charge (CECV), and SSA values decreased with increasing acidification, while anion exchange capacity values (AEC) decreased. The change of CECV was caused by soil organic matter, and the change of CECP was caused by illite content, which accounted for the largest proportion in clay minerals of brown soil.

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Section: Clay Minerals Extraction and Determinationmentioning

confidence: 99%

Effect of Acidification on Clay Minerals and Surface Properties of Brown Soil

et al. 2022

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“…Furthermore, Prakash & Sridharan (2004) validated the use of FSR as a clay mineralogy indicator using X-ray diffraction analysis. Accurate determination of the components of active minerals requires a quantitative method rather than a qualitative one (Ś rodoń, 2002;Mitchell & Soga, 2005;Ś rodoń, 2006). Hence, the authors believe that a quantitative approach in the evaluation of the amount of active minerals would be a substantial complication as these techniques are not generally available in geotechnical laboratories; consequently the paper was limited to qualitative rather than quantitative approaches.…”

Section: Mineralogy and Fsimentioning

confidence: 99%

A novel formula for the prediction of swelling pressure of compacted expansive soils

Elsaidy

Wang

Pender

et al. 2020

Géotechnique Letters

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“…They are very common and can also be a part of such sedimentary rocks as marls, mudstones, sandstones, and limestones. Clay minerals include minerals, i.e., the group of kaolinite and serpentine (kaolinite, cover, dickite, halloysite, metahalloysite, antigorite, lizardite, chrysotile, garnierite, nepouite, greenalite, and serpentine), talc and pyrophyllite groups (talc, kerlite), pyrophyllite, montmorillonites (montmorillonite, beidellite, nontronite, and saponite), mica group and hydromikimics (illity, brammalite, glauconite, seladonite, muscovite, phlogopite, paragonite, lepidolite, hydromuscovite pholidoid, hydrobiotchlorite, hydrophytchlorite group, chloramtchlorite group, and group) nimite (pennantite), vermiculite, sepiolite group and palygorskite, imogolite, allophan “group”, and mixed-pack minerals (rectorite, tosudite, cornsite, hydrobiotite, alietite, and kulkeite) [ 1 , 2 , 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…They are characterized by low hardness (up to 2.5 on the Mohs scale). They are a product of weathering transformations taking place on land and seas, as well as-low temperature hydrothermal processes [ 2 , 3 , 4 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Influence of Nanoclay on the Thermo-Mechanical Properties of Silicone Pressure-Sensitive Adhesives

Antosik

Mozelewska

2022

Materials

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This research was carried on newly obtained innovative materials—self-adhesive one-sided tapes based on silicone pressure-sensitive adhesives. In order to obtain tapes, the stable adhesive composition was subjected to physical modification by incorporating into it various amounts of selected silicon fillers. The produced pressure-sensitive adhesives were tested for viscosity and thermogravimetric analysis, as well as the manufactured tapes; i.e., peel adhesion, tack, cohesion at room and elevated temperature, SAFT test (shear adhesive failure temperature), and shrinkage. The prepared self-adhesive tapes retained their self-adhesive properties at a level close to the initial level while increasing the thermal resistance by 70–75 °C, reaching the level of 220–225 °C. The new self-adhesive materials have application potential and can be used as a material for special applications in the field of electrical engineering and heavy industry.

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Chapter 12.2 Identification and Quantitative Analysis of Clay Minerals

Cited by 68 publications

References 40 publications

Effect of Acidification on Clay Minerals and Surface Properties of Brown Soil

Effect of Acidification on Clay Minerals and Surface Properties of Brown Soil

A novel formula for the prediction of swelling pressure of compacted expansive soils

Influence of Nanoclay on the Thermo-Mechanical Properties of Silicone Pressure-Sensitive Adhesives

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