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SAMPLE CONTAINER FOR THERMAL ANALYSIS EVALUATION AND METHOD FOR THERMAL ANALYSIS EVALUATION
SAMPLE CONTAINER FOR THERMAL ANALYSIS EVALUATION AND METHOD FOR THERMAL ANALYSIS EVALUATION
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机译:用于热分析评估的样品容器和用于热分析评估的方法
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摘要
PROBLEM TO BE SOLVED: To provide a sample container for thermal analysis evaluation which makes a heating curve peak clear with good reproducibility, can be prevented from exploding, and permits a safe analysis operation without damaging an expensive measuring device or the like in a thermal analysis for a sample which generates a gas by evaporation or reaction at a measurement time. SOLUTION: The sample container is composed of a container body 1 in the shape of a bottomed cylinder where the sample is filled, and a lid body 2 for sealing an upper end opening of the container body 1. A through hole 3 having a diameter not larger than 0.2 mm is set to the lid body 2. The container is used in a state with the other than the through hole 3 tightly sealed by caulking an outer peripheral part 2a of the lid body 2 to a flange part 1a of the container body 1. In a differential scanning calorimetry of a positive electrode material for a nonaqueous electrolyte based secondary cell or the like, a vaporization atmosphere of the nonaqueous electrolyte can be maintained without exploding the container, and a reaction behavior to a positive electrode active material can be analyzed and evaluated with good reproducibility.
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