Skip to main content
. Author manuscript; available in PMC: 2018 Mar 21.
Published in final edited form as: J Environ Sci Health A Tox Hazard Subst Environ Eng. 2017 Dec 11;53(4):295–309. doi: 10.1080/10934529.2017.1400793

Table 1. Particle size, surface area, and ethanol-extractable material content.

Sample Identity Particle size distribution (nm) Median particle size** (nm) Surface Area (m2/g) Ethanol Soluble Mass## (%)
BD 2-50 26±3 384* 20 ± 2
AD 2-80 41±5 125* 12 ± 3
RD N.D. 28±3 80# 8 ± 3
*

Measured by SEM;

#

Obtained from NIST Certificate of Analysis. N.D. = Not determined.

**

Statistically significant differences: BD > AD and BD > RD by one-way ANOVA with Tukey post hoc analysis and 95% confidence.

##

Statistically significant differences: BD > AD and BD > RD by one-way ANOVA with Turkey and 95% confidence.