Rapid determination of Ti in TiO2 by ICP OES

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DOIResolve DOI: http://doi.org/10.1039/C6AY01842D
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TypeArticle
Journal titleAnalytical Methods
ISSN1759-9660
1759-9679
Volume8
Issue34
Pages64636467
AbstractA rapid method for the determination of titanium in titanium dioxide pigments and related materials by inductively coupled plasma optical emission spectrometry (ICP OES) is presented. Complete decomposition of TiO2 was achieved in a medium of (NH4)2SO4/H2SO4. Following a suitable dilution of the digest, Ti was quantitated based on external calibration using the 337.280 nm line and sample introduction with a OneNeb® nebulizer. A detection limit (3 s, n = 10) of 10 μg g−1 and a LOQ (10 s, n = 10) of 50 μg g−1 were realized. Eight samples of TiO2 pigments and two samples of masterbatch pigment resin were analysed, providing results similar to those obtained by both traditional titrimetric and spectrophotometric methods but with standard deviations between 0.01 and 1%, some two-fold better than that of the traditional methodology. This simple procedure has been adopted by the Institute of Technology of Paraná – TECPAR (Curitiba, Brazil).
Publication date
PublisherRoyal Society of Chemistry
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number23002533
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Record identifierd3e99f96-9eee-41c0-a9d3-27f111b017f8
Record created2017-11-23
Record modified2017-11-23
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