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In differential thermal analysis, DTA for short, a substance sample is continuously heated in presence of a reference material. The respective temperature of both materials is measured, whereby a temperature program calibrated for this purpose causes a linear increase in the temperature of the sample (TS). The aim of this measurement is to detect any changes that occur in the sample substance with increasing temperature; thus a ΔT/T curve is recorded. An example of a differential thermogram is shown in Fig. 31.7 from ► Skoog.

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Thermal Processes

  • 章节

  • 发表日期：

    2025年

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  • Ulf Ritgen

摘要

In differential thermal analysis, DTA for short, a substance sample is continuously heated in presence of a reference material. The respective temperature of both materials is measured, whereby a temperature program calibrated for this purpose causes a linear increase in the temperature of the sample (TS). The aim of this measurement is to detect any changes that occur in the sample substance with increasing temperature; thus a ΔT/T curve is recorded. An example of a differential thermogram is shown in Fig. 31.7 from ► Skoog.