Abstract
Three chemically different samples (Ti∶Mo ratios 1∶2, 1∶1 and 2∶1) of titanium molybdate have been prepared by mixing the solutions of titanium(IV) chloride (M/40), titanium sulphate (M/20, M/40) and sodium molybdate (M/20, M/40) in different volume ratios. Dehydration studies have been completed, which would seem to throw some light on the state of the water molecules present in the samples.
Résumé
Préparation de trois échantillons différents de molybdate de titane (rapport Ti∶ Mo=1∶2, 1∶1 et 2∶1) par mélange en proportions variables de solutions de chlorure de titane(IV) (M/40), de sulfate de titane (M/20, M/40) et de molybdate de sodium (M/20, M/40). Obtention de renseignements sur l'état des molécules d'eau présentes dans l'échantillon à partir de l'étude de la déshydratation.
Zusammenfassung
Drei chemisch verschiedene Titanmolybdat-Präparate wurden durch Mischen von Titan(IV)chlorid- (M/40), Titansulfat- (M/20, M/40) und Natriummolybdatlösungen (M/20, M/40) in verschiedenen Volumenverhältnissen hergestellt. Das Ti∶Mo Verhältnis betrug 1∶2, 1∶1, 2∶1. Mit den Präparaten wurden Dehydrationsversuche unternommen, um den Zustand der Wassermoleküle in den Proben zu bestimmen.
Резюме
Приготовлено три хим ически различных обр азца молибдата титана (Ti∶Mo/1∶2, 1∶1 и 2∶1) путем смешения р астворов хлорида тит ана (IV) (M/40), сульфата титана (M/20, M/40) и молибдата натрия (M/20, M/40) в разных объемных соотношениях. Изучен процесс дегидратаци и с целью выяснения по ложения молекул воды, содержа щейся в образцах.
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The authors are grateful to Dr. F. Rahman, to Dr. B. R. Rao, R. R. Lab (Hyderabad) and to the Director of Defence Science Lab. (Delhi) for research, X-ray and thermogravimetric facilities, respectively. Financial assistance of H. S. Rathore from the C.S.I.R. (India) is gratefully acknowledged.