Elemental characterization of single-wall carbon nanotube certified reference material by neutron and prompt γ activation analysis

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DOIResolve DOI: http://doi.org/10.1021/ac504094n
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TypeArticle
Journal titleAnalytical Chemistry
ISSN0003-2700
Volume87
Issue7
Pages36993705; # of pages: 7
SubjectActivation analysis; Carbon nanotubes; Chemical activation; Gold; Magnesium; Manganese; Nanotechnology; Neutrons; Nickel; Single-walled carbon nanotubes (SWCN); Titanium; Certified reference materials; Certified values; Instrumental neutron activation analysis; National Institute of Standards and Technology; National Research Council Canada; Prompt gamma activation analysis; Prompt gamma neutron activation analysis; Neutron activation analysis
AbstractInstrumental neutron activation analysis with both relative and k0 standardization was used in four experienced laboratories to determine element mass fractions in single-wall carbon nanotube certified reference material (CRM) SWCNT-1. Results obtained were evaluated using the National Institute of Standards and Technology (NIST) "Type B On Bias" approach and yielded consensus values in agreement with National Research Council Canada (NRCC) certified values for Fe, Co, Ni, and Mo and provided mass fraction values for 13 additional elements, namely, Na, Mg, Al, K, Ca, Ti, V, Cr, Mn, Br, La, W, and Au. In addition, prompt γ neutron activation analysis was employed to determine mass fractions of H, B, Co, Ni, and Mo. Results of this work provide a basis for the establishment of reference values of element mass fractions in CRM SWCNT-1, thus expanding its usability for more accurate characterization and benchmarking of similar nanotechnology materials.
Publication date
PublisherACS Publications
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number21275765
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Record identifier610f2df6-3698-47b0-8156-d9feebe4ec5f
Record created2015-07-14
Record modified2016-05-09
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