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Table 7 Experimental data of the stoichiometry (M: L) of Co (II), Ni(II), Cu(II) PAP azo complexes (Ia and Ib)

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

Dye

Co(II)

Ni(II)

Cu(II)

Zn(II)

MRM

CVM

MRM

CVM

MRM

CVM

MRM

CVM

Ia

1:1

1:1

1:1

1:1

1:1

1:1

1:1

1:2

1:3

1:2

1:2

1:2

1:2

1:2

1:2

Ib

1:1

1:1

1:1

1:1

1:1

1:2

1:3

1:2

1:3

1:2

1:2

1:2

1:2