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Table 3 Experimental data of the dissociation constants of Ia and Ib using half height method (H.H.M) and limiting absorbing method (L.A.M)

From: Physico-analytical studies on some heterocyclic azo dyes and their metal complexes with some transition metals

Dye

pK1

pK2

pK3

H.H.M

L.A.M

H.H.M

L.A.M

H.H.M

L.A.M

Ia

5.21

5.23

8.08

8.03

11.15

11.17

Ib

5.44

5.47

8.16

8.20

11.48

11.51

  1. Standard uncertainties, u, are: u(pK1) = 0.03, u(pK2) = 0.01, u(pK3) = 0.02
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BMC Chemistry

ISSN: 2661-801X

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