PREPARATION OF LEAD OXIDE-MONTMORILLONITE COMPLEX

MOTOKI UMARA; ATSUSHI YAMAZAKI; RYOHEI OTSUKA; SADAO TSUTSUMI

doi:10.11362/jcssjclayscience1960.9.1

MOTOKI UMARA, ATSUSHI YAMAZAKI, RYOHEI OTSUKA, SADAO TSUTSUMI

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ジャーナルフリー

1993 年 9 巻 1 号 p. 1-8

DOI https://doi.org/10.11362/jcssjclayscience1960.9.1

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抄録

Lead oxide-montmorillonite complex (LMC), Pb_2.90O_2.73 (Si_3.77Al_0.23)-Al_1.69 Mg_0.15 Fe_0.17O₁₀ (OH) ₂, was prepared by heating a basic lead carbonatemontmorillonite complex at 400°C. The properties of the LMC were characterized by X-ray powder diffractometry, infrared absorption spectroscopy and X-ray photoelectronic spectroscopy. The electron density obtained by a one-dimensional Fourier synthesis method showed that the LMC had a crystal structure in which lead oxide having two lead atomic planes intercalated between the 2: 1 silicate layers.

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