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Dergiler / Maden Tetkik ve Arama Dergisi / 2012 / Cilt: 145 - Sayı: 145

The Characterization Studies of the Northwest Anatolian Halloysites/Kaolinites

Saruhan SAKLAR
Haşim AĞRILI
Okan ZİMİTOĞLU
Bülent BAŞARA
Uğur KAAN
Sayfa
48–61
Yayın Tarihi
2012-02-01
DOI
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In samples studied, tube lengths were measured up to 5 µm by means of SEM analyses, however; TEM analyses have indicated that internal diameters of tubes could decrease down to 5nm and their average diameters ranged in between 40 – 50 nm.

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Amaç & Hipotez:The extraction and characterization studies were carried out on representative samples which were taken from iron bearing parts of halloysite, halloysite/kaolin deposits located in the vicinity of Çanakkale and Balıkesir in Northwest Anatolia.
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Temel Bulgular & Veri:Halloysites in these samples are generally in the form of hydro halloysite (10 Å) and kaolinite could also be encountered in some parts.
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Sonuç & Katkı:In samples studied, tube lengths were measured up to 5 µm by means of SEM analyses, however; TEM analyses have indicated that internal diameters of tubes could decrease down to 5nm and their average diameters ranged in between 40 – 50 nm.
🔬Tür:Laboratuvar & Saha Deneyi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Halloysite · kaolinite · characterization

Abstract

The extraction and characterization studies were carried out on representative samples which were taken from iron bearing parts of halloysite, halloysite/kaolin deposits located in the vicinity of Çanakkale and Balıkesir in Northwest Anatolia. Halloysites in these samples are generally in the form of hydro halloysite (10 Å) and kaolinite could also be encountered in some parts. The primary impurities in halloysite and kaolin deposits are limonite (geothite) and muscovite. These deposits might contain quartz, feldspar, gibbsite, smectite group clay minerals and anatase in their structures. The iron content of the clays can be reduced significantly by hydrochloric or oxalic acid treatments. Transmission electron Microscope (TEM) and Scanning Electron Microscope (SEM) analyses on halloysite samples were carried out and it was noticed that halloysite tubes were in cylindrical shape, and in some cases; pores on their surfaces could be observed as a structural feature. In samples studied, tube lengths were measured up to 5 µm by means of SEM analyses, however; TEM analyses have indicated that internal diameters of tubes could decrease down to 5nm and their average diameters ranged in between 40 – 50 nm.

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Bu Makaleye Atıf Yap

SAKLAR, S., AĞRILI, H., ZİMİTOĞLU, O., BAŞARA, B., KAAN, U. (2012). The Characterization Studies of the Northwest Anatolian Halloysites/Kaolinites. Maden Tetkik ve Arama Dergisi, Cilt: 145 - Sayı: 145, 48–61. https://ajindex.com/articles/54076

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