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. Author manuscript; available in PMC: 2013 Aug 27.
Published in final edited form as: J Environ Monit. 2012 Sep 13;14(10):2772–2779. doi: 10.1039/c2em30405h

Table 1.

Physical characterization of the c-MWCNTs

CNT ID OD (nm) Length (µm) Aspect ratio HI index in
DI water (%)
MWCNT20 >50 0.5–2 20 −22
MWCNT31 30–50 0.5–2 31 3
MWCNT50 20–30 0.5–2 50 −6
MWCNT83 10–20 0.5–2 83 −3
MWCNT250 <8 0.5–2 250 −23
MWCNT300 >50 10–20 300 −6
MWCNT375 30–50 10–20 375 −1
MWCNT800 20–30 10–30 800 −4
MWCNT1333 10–20 10–30 1333 −8
MWCNT2608 8–15 10–50 2608 −7
MWCNT4000 <8 10–30 4000 −6