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Determination of Spurrite, Associated with Calcite, by Means of Differential Thermal Analysis
Author(s) -
Gross S.
Publication year - 1971
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197100084
Subject(s) - calcite , differential thermal analysis , chemistry , endothermic process , diffraction , analytical chemistry (journal) , mineralogy , environmental chemistry , physics , adsorption , optics
Differential thermal curves of spurrite‐calcite rocks show two characteristic endothermic peaks at 725–850°C and at 845–990°C, both due to decarbonization. A method for determining the amounts of calcite and spurrite when both are present is proposed using DTA analysis in conjunction with the determination of CO 2 in the bulk sample. The results of DTA are confirmed by TG and X‐ray diffraction studies.