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

页码：13039 / 13049

页数：11

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