Contribution à l'étude du système quaternaire K + —NH 4  + —CrO 4  −− —SO 4  −− —H 2 O: I. les isothermes de 25° des systèmes ternaires limites | Zendy

Flatt R. | Zendy; Brunisholz G. | Zendy; Merbach A. | Zendy

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Contribution à l'étude du système quaternaire K + —NH 4 + —CrO 4 −− —SO 4 −− —H 2 O: I. les isothermes de 25° des systèmes ternaires limites

Author(s) -

Flatt R.,

Brunisholz G.,

Merbach A.

Publication year - 1968

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.19680510821

Subject(s) - chemistry , crystallography , spinodal decomposition , ternary operation , analytical chemistry (journal) , phase (matter) , organic chemistry , computer science , programming language , chromatography

The four ternary limiting isotherms of the system K + − NH 4 + CrO 4 −− SO 4 −− H 2 O are given for 25° C. In the systems K 2 SO 4 (NH 4 ) 2 SO 4 H 2 O and K 2 SO 4 K 2 CrO 4 H 2 O only one solid phase has been encountered; both systems belong to the type I of the R OOZEBOOM classification. A miscibility gap is present in the systems (NH 4 ) 2 CrO 4 K 2 CrO 4 H 2 O and (NH 4 ) 2 CrO 4 (NH 4 ) 2 SO 4 H 2 O; they belong to R OOZEBOOM'S type V.

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