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Table 1 PUF IEC values

From: Development of novel catalytically active polymer-metal-nanocomposites based on activated foams and textile fibers

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