Thermal degradation of B-group vitamins: B1, B2 and B6

被引：18

作者：

Fulias, Adriana ^{[1
]}

Vlase, Gabriela ^{[2
]}

Vlase, Titus ^{[2
,3
]}

Onetiu, Daniela ^{[4
]}

Doca, Nicolae ^{[2
,3
]}

Ledeti, Ionut ^{[1
]}

机构：

[1] Univ Med & Farm Timisoara, Fac Pharm, Timisoara 300041, Romania

[2] West Univ Timisoara, Res Ctr Thermal Anal Environm Problems, Timisoara 300115, Romania

[3] Scient Res Ctr Instrumental Anal SC Cromatec Plus, Bucharest 060114 6, Romania

[4] Univ Med & Farm Timisoara, Fac Med, Timisoara 300041, Romania

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2014年 / 118卷 / 02期

关键词：

Thermal behaviour; Vitamin B; Kinetic analysis; Modified NPK method; SOLID-STATE CHARACTERIZATION; COMPARATIVE KINETIC-ANALYSIS; NONPARAMETRIC KINETICS; DECOMPOSITION; BEHAVIOR; METAL; TG;

D O I：

10.1007/s10973-014-3847-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The thermal behaviour of vitamins B-1, B-2 and B-6 under non-isothermal conditions and dynamic air atmosphere was studied. According to our study, it was determined that the most stable compound is vitamin B-2. A kinetic analysis of the thermodegradation process using four different data processing methods (Friedman, Flynn-Wall-Ozawa, Kissinger-Akahira-Sunose and modified NPK) was performed. The NPK was the only method that made it possible to evaluate the contribution to the reaction rate of the temperature and conversion, respectively. The results obtained from kinetic analysis were corroborated with the molecular architecture of the studied compounds.

引用

页码：1033 / 1038

页数：6

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