Table 1

PUF IEC values
IEC (meq/g)
Treatment Acid groups Basic groups
Blank 0.65 0.62
NaOH 1M 0.32 0.61
NaOH 3M 0.57 0.61
HNO3 1M 0.66 0.71
HNO3 3M 0.61 0.57

IEC, ion exchange capacity. Uncertainty in all of the cases was <1%.

Domènech et al.

Domènech et al. Nanoscale Research Letters 2013 8:238   doi:10.1186/1556-276X-8-238

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