Citation: Yong QIU, Xian Fu ZHANG, Fu Shi ZHANG, XIN Qi SONG. CONCENTRATION DEPENDENCE OF DILUTE HCL ON DIMERIZATION OF ZnTSPC IN AQUEOUS SOLUTION[J]. Chinese Chemical Letters, ;1993, 4(12): 1089-1092. shu

CONCENTRATION DEPENDENCE OF DILUTE HCL ON DIMERIZATION OF ZnTSPC IN AQUEOUS SOLUTION

Department of Chemistry, Tsinghua University, 100084

Received Date: 14 June 1993

The pH dependence of Zinc (Ⅱ) tetrasulfonated phthalocyanine in aqueous solution has been investigated. The tendency of dimerization was enhanced by the addition of HCl, with blue-shifted peaks appearing in the Q band as well as the Soret band region. And the demetallation of metallophthalocyanines caused by the acid was confirmed by spectroscopic evidence for the first time. The effect caused by NaOH was also discussed.
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