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在热质联用系统中质谱趋势数据表征质量的损耗
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| The use of mass spectrometry for the identification of evolved gas species in thermogravimetric (TG) experiments is well known. The mass spectrometer (MS) can be attached directly to the outgas port of the thermogravimetric (TGA) instrument. Typically the mass spectrometer is used for identification only. However, there are situations where it would be desirable to obtain more information. For example, when two or more species are evolved during a weight transition, the total weight loss is known from the TGA, but the weights for the individual components are unknown. Using a simple calibration technique, trend data from a mass spectrometer can be used to semi-quantitatively determine the amount of material evolved for low mass-to-charge (m/e) ratio species such as water and carbon dioxide. |
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2017-02-27 10:17:08, 338.06 K
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