NDLI: Determination of macro-constituents in advanced ceramic materials by inductively coupled plasma atomic emission spectrometry

Content Provider	Royal Society of Chemistry (RSC)
Author	Fariñas, Juan C. Barba, María F.
Copyright Year	1992
Abstract	An analytical method was developed for the determination of macro-constituents by inductively coupled plasma atomic emission spectrometry in the following six advanced ceramic materials: calcia partially stabilized zirconia (Ca-PSZ), yttria–ceria–tetragonal zirconia polycrystalline (Y-TZP/Ce), barium titanate (BaTiO3), gadolinium-modified lead titanate (Gd-PT), lead zirconate–titanate (PZT) and lanthanum-modified lead zirconate–titanate (PLZT). The dissolution of the samples was achieved by using the following methods: decomposition with HCl in a poly(tetrafluoroethylene)(PTFE)-lined pressure vessel at 160 °C for 16 h; decomposition with HF + H2SO4 in a PTFE-lined pressure vessel at 170 °C for 16 h; decomposition with (NH4)2SO4+ H2SO4 in a glass beaker; decomposition with (NH4)2SO4+ H2SO4 in a platinum dish; fusion with Na2CO3+ Na2B4O7 in a platinum crucible; and fusion with Li2B4O7 in a graphite crucible. The precision of the determination of the macro-constituents with regard to the wavelength, integration time, dilution of the sample solution and use of an internal standard was studied. In general, the highest precision was obtained by employing the most sensible analytical line of each element, by working with elevated integration times (700–1000 ms), by diluting the sample solution 1 + 9 or 1 + 19 and by using V or Y as an internal standard. The analytical results obtained following three different methods of dissolution for each advanced ceramic material were in excellent agreement. Good precision and accuracy were attained; the relative standard deviations for the results obtained for each element for each dissolution method are <1%.
Starting Page	869
Ending Page	875
Page Count	7
File Format	PDF
ISSN	02679477
Volume Number	7
Issue Number	6
Journal	Journal of Analytical Atomic Spectrometry
DOI	10.1039/JA9920700869
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Inductively coupled plasma Calcium oxide Zirconium dioxide Crystallite Barium titanate Lead titanate Lead zirconate titanate Hydrogen chloride Tetrafluoroethylene Polytetrafluoroethylene Pressure vessel Hydrogen fluoride Graphite Wavelength
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Analytical Chemistry

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