Table 1 Zeta potential of bentonite clay, [Co(II)TP-OHPP]/CPTES- bentonite clay composite, and [Co(II)TP-OHPP]/CPTES- bent/Cs composite.

From: Efficient oxidative degradation of Azo dyes by cobalt(II) porphyrin complex supported on modified bentonite and chitosan: structural characterization and mechanistic insight

No

Sample

Zeta potential (mV)

1

Bentonite Clay

−29.3

−26.9

−24.9

3

[Co(II)TP-OHPP]/CPTES- Bentonite Clay

−13.3

−13.2

−13.1

4

[Co(II)TP-OHPP]/CPTES- Bent/Cs

−6.4

−6.8

−6.4

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