Thermal decomposition of calcium propionate: films and powders

被引：2
|
作者：
Zaidi, Sihem [1 ,2 ]
Sanchez-Rodriguez, Daniel [1 ]
Farjas, Jordi [1 ]
Mohamed, Dammak [2 ]
Roura-Grabulosa, Pere [1 ]
机构：
[1] Univ Girona, Phys, Campus Montlivi,Edif PII, Girona 17003, Catalonia, Spain
[2] Univ Sfax, Fac Sci Sfax, Lab Chim Inorgan, BP 1171, Sfax 3000, Tunisia
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2023年 / 148卷 / 23期
关键词：
Calcium propionate; Thermal decomposition; TGA-EGA; Food preservatives; SOLID-STATE TRANSFORMATIONS; ISOCONVERSIONAL ANALYSIS; TEMPERATURE SYNTHESIS; CRYSTAL-STRUCTURE; COMBUSTION; REDUCTION; SALTS;
D O I：
10.1007/s10973-023-12177-2
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The thermal decomposition of calcium propionate, in inert and oxidative atmospheres, has been investigated by thermogravimetry combined with infrared evolved gas analysis; the main volatiles formed during thermal decomposition have been identified. The intermediate and final products have been characterized by infrared spectroscopy, x-ray diffraction, elemental analysis and scanning electron microscopy. The different mechanisms involved in thermal decomposition are discussed as a function of atmosphere and sample structure. The kinetics of the decomposition and the ability of powders to undergo a thermal runaway are also investigated.
引用
收藏
页码：13039 / 13049
页数：11
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