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High temperature transformations of NH4A zeolite

✍ Scribed by Vera Dondur; Vesna Rakić; Radenko Dimitrijević; Dušica Vučnić


Book ID
107858986
Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
177 KB
Volume
93
Category
Article
ISSN
0040-6031

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## Abstract Modulated differential scanning calorimetry (MDSC), thermogravimetric analysis (TGA) and X‐ray diffraction (XRD) were used to study the phase behaviour of NH~4~HSO~4~ (AHS) above room temperature. For powder AHS measured during successive thermal cycles, the MDSC curves show an endother