Preconcentration of volatile organics on self-assembled, carbon nanotubes in a microtrap.

@article{Saridara2005PreconcentrationOV,
  title={Preconcentration of volatile organics on self-assembled, carbon nanotubes in a microtrap.},
  author={Chutarat Saridara and Roman Brukh and Zafar Iqbal and Somenath Mitra},
  journal={Analytical chemistry},
  year={2005},
  volume={77 4},
  pages={
          1183-7
        }
}
This paper reports the self-assembly of carbon nanotubes (CNTs) on the inside wall of a steel capillary to fabricate a microtrap for the adsorption/desorption of trace organics. The microtrap functioned as a nanoconcentrator and an injector for gas chromatography (GC). The CNTs were deposited as a thin film by catalytic chemical vapor deposition from either CO or C2H4 as the precursor. The sorbent film synthesized from C2H4-CVD (CVD = chemical vapor deposition) had higher CNT density and thus… CONTINUE READING
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