1980•Journal of the Ceramic Association JapanOpen access

Determination of Lead and Titanium in Lead Titanate Ceramics

Yoshiyuki Yajima, Michiko KOBAYASHI, Akio ICHINOSE, Hisahiko Einaga

Abstract

鉛-チタン複合酸化物セラミックス中の鉛及び, チタンの正確かつ簡便な分析方法の確立を目的として, 種々の検討を行った. 試料をピロ硫酸カリウムで溶融分解後, 鉛をあらかじめ硫酸塩としてチタンから分離し, 酢酸アンモニウム溶液に再溶解後, XOを指示薬とするEDTA滴定法により定量し, チタンについてはクペロン錯体として沈殿分離後, 強熱して, 酸化物としてひょう量した. この方法を関連物質についても適用し, 充分満足しうる結果を得た. また, 正確さの観点から, 鉛の分離条件, 鉛の滴定条件, チタンの分離条件についての考察を行った.

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Key concepts: Lead (geology), Lead titanate, Titanium, Ceramic, Materials science, Metallurgy, Geology, Ferroelectricity