Determination of moisture content of single-wall carbon nanotubes

Download
  1. (PDF, 350 KB)
  2. Get@NRC: Determination of moisture content of single-wall carbon nanotubes (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1007/s00216-011-5509-y
AuthorSearch for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for:
TypeArticle
Journal titleAnalytical and Bioanalytical Chemistry
Volume402
Issue1
Pages429438; # of pages: 10
SubjectSingle-wall carbon nanotubes; Moisture determination; Oven drying; Desiccator drying; Karl Fischer titration; Prompt gamma-ray activation analysis
AbstractSeveral techniques were evaluated for the establishment of reliable water/moisture content of single-wall carbon nanotubes. Karl Fischer titration (KF) provides for a direct measure of the water content and was used for benchmarking against results obtained by conventional oven drying, desiccation over anhydrous magnesium perchlorate as well as by thermogravimetry and prompt gamma-ray activation analysis. Agreement amongst results was satisfactory with the exception of thermogravimetry, although care must be taken with oven drying as it is possible to register mass gain after an initial moisture loss if prolonged drying time or elevated temperatures (120 oC) are used. Thermogravimetric data were precise but a bias was evident that could be accounted for by considering the non-selective loss of mass as volatile carbonaceous components. Simple drying over anhydrous magnesium perchlorate for a minimum period of 8-10 days is recommended if KF is not available for this measurement.
Publication date
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; NRC Steacie Institute for Molecular Sciences; National Research Council Canada
Peer reviewedYes
NPARC number19739635
Export citationExport as RIS
Report a correctionReport a correction
Record identifier26fe4a77-3ea5-44be-adf5-88f78117e56a
Record created2012-04-02
Record modified2016-05-09
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)