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X‐ray diffraction study of crystalline phases of calcium sulphate in alginate impression materials
Author(s) -
Anastassiadou V.,
Dolopoulou V.,
Kaloyannides A.
Publication year - 1996
Publication title -
european journal of oral sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.802
H-Index - 93
eISSN - 1600-0722
pISSN - 0909-8836
DOI - 10.1111/j.1600-0722.1996.tb00156.x
Subject(s) - impression , calcium , materials science , diffraction , crystallography , x ray crystallography , phase (matter) , hemihydrate , x ray , mineralogy , chemistry , nuclear chemistry , chemical engineering , metallurgy , gypsum , organic chemistry , optics , computer science , physics , engineering , world wide web
In the present study the crystalline phases of calcium sulphate present in various commercially available alginate impression materials were identified by means of x‐ray diffraction. The diffractograms obtained indicated that the predominant crystalline phase in most materials was calcium sulphate dihydrate and confirmed the presence of calcium sulphate hemihydrate in some products.