Figure 3. Absorption spectra of ion association complexes of cationic dyes with
12-tungstogallate heteropoly anion. Blue curve – dye; red curve – IA; Green curve –
ΔA. AP – Astra Phloxine, Rod – Rodhamine 6G, MG – Malachite Green, CV –
Crystall Violet, CRP – Chrompyrazole-1, PNC – Pynacyanol, TCG – 12-
tungstogallate.
C
AP
= 4×10
-6
M, C
TGC
= 8×10
-5
M (a); C
Rod
= 4×10
-6
M, C
TGC
= 4×10
-5
M (b); C
Rod
= 4×10
-6
M,
C
TGC
= 4×10
-5
M (b); C
MG
= 8×10
-6
M, C
TGC
= 8×10
-5
M (c); C
CV
= 4×10
-6
M, C
TGC
= 8×10
-5
M (d);
C
CRP
= 4×10
-6
M, C
TGC
= 4×10
-5
M (e); C
PNC
= 4×10
-6
M, C
TGC
= 4×10
-5
M (f)
a
b
c
d
e
f
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