Komplexone XXX. Diäthylentriamin‐pentaessigsäure (DTPA) | Zendy

Anderegg G. | Zendy; Nägeli P. | Zendy; Müller F. | Zendy; Schwarzenbach G. | Zendy

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Komplexone XXX. Diäthylentriamin‐pentaessigsäure (DTPA)

Author(s) -

Anderegg G.,

Nägeli P.,

Müller F.,

Schwarzenbach G.

Publication year - 1959

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19590420324

Subject(s) - chemistry , diethylenetriamine , metal , titration , stability constants of complexes , metal ions in aqueous solution , chelation , nuclear chemistry , ion , inorganic chemistry , organic chemistry

Diethylenetriamine‐pentaacetic acid (DTPA) forms with metal cations M v + the complexes MZ v −5 ; MHZ v −4 , M 2 Z 2 v −5 , where Z 5− stands for the anion of DTPA. Complexes MM′Z v 1 + V 2 −5 containing two different metals are also formed. The stability constants of these species with Ca, Mn, Fe II , Fe III , Co, Ni, Cu, Zn, Cd, Pb, Hg, Ce have been determined, using 7 methods. The DTPA‐complexes are considerably more stable than the corresponding EDTA‐complexes which makes DTPA a considerably better titrant in complexometry.

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