摘要
通过定性和定量分析,研究了对苯二甲酸二甲酯(DMT)纯度物质的差示扫描量热法(DSC法)定值及其不确定度评定,并与已测定的质量平衡法的定值结果进行比对验证,确定DSC法对DMT纯度物质快速定值的可靠性。
Using qualitative and quantitative analyses,the differential scanning caloric(DSC)method for determining purity of DMT is introduced,with uncertainty evaluated.A measurement comparison with the mass balance(MB)method validated the results of the DSC method.The chemical composition of a DMT sample was determined by gas chromatography with tandem mass spectrometry and a fourier transform infrared spectrometer.The certified value was studied by the DSC method.
作者
林燕
黄亮
何欣
王锐
LIN Yan;HUANG Liang;HE Xin;WANG Rui(Guangzhou Institute of Measuring and Testing Technology,Guangzhou 510030,China)
出处
《计量科学与技术》
2021年第11期63-67,共5页
Metrology Science and Technology
