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Updated: Feb 7, 2026

Differential Scanning Calorimetry — A Method for Assessing the Thermal Stability and Conformation of Protein Antigen
Published on: March 4, 2017
[Application of Thermogravimetric-Differential Scanning Calorimetry(TG-DSC)in Quality Control of Limonitum]
Objective:
To control the quality of Limonitum by investigating the thermoanalysis curves.
Methods:
Analysis Limonitum samples from different origins by Thermogravimetric-Differential Scanning Calorimetry( TG-DSC),and the processed samples and fake samples were analyzed to compare the difference of them at the same time.
Results:
Thermal analysis curves showed that most of Limonitum samples had three weight loss steps in 30 ~ 1 000 ℃,and the process of dehydration weight loss of goethite was obviously in about309 ℃. There was a positive correlation between the weight loss rate of the second step and the content of iron.
Conclusion:
The Thermal analysis method can provide reference to the identification and quality control of Limonitum.
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