Table 2 Residual anion concentrations determined by IC

From: Automated device for the purification of graphene oxide dispersions: integration of cross-flow filtration and dialysis

Sample

Cl− (mg L−1)

NO3− (mg L−1)

SO42− (mg L−1)

Non-Purified

6043 ± 5.17

8.9 ± 0.9

771.2 ± 1.80

Cellulose

81.8 ± 1.4

ND

146.86 ± 2.62

Polyethersulfone

16.8 ± 0.80

ND

44.74 ± 1.81

  1. ND Not Detected, i.e., below detection range (<5 mg L−1).
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