On the formation mechanism of some heteropolytungstates of the 2:11 series | Zendy

Ripan R. | Zendy; Puscasiu M. | Zendy; Stanescu D. | Zendy; Boian P. | Zendy

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On the formation mechanism of some heteropolytungstates of the 2:11 series

Author(s) -

Ripan R.,

Puscasiu M.,

Stanescu D.,

Boian P.

Publication year - 1971

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.19713840315

Subject(s) - amberlite , type (biology) , chemistry , mechanism (biology) , series (stratigraphy) , ion exchange , ion , crystallography , physics , organic chemistry , geology , adsorption , paleontology , quantum mechanics

Aimed at substantiating the formation mechanism of the heteropolytungstates of the 2:11 type: [H h M m+ O 6 X x+ O 11 O 30 ] (14‐m‐x‐h)‐ , via complexes of the 1:11 type, attempts were made to introduce a second heteroatozn in the latter. A new, simple synthesis method was established for the 2:11 heteropolytungstates (X = P, Si; M = Ni), starting with complexes of the type [X x+ W 11 O 39 ] 12‐x (X = P, Si) and by using an ion exchange method (Amberlite I.R. 120. Ni 2+ , K + ). The correctness of the supposed reaction way was demonstrated and at the same time, the close structural relationship between the hetero‐polytung̀states of the type 1:11 and 2:11 ‐was pointed out.

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