采用热重-质谱联用(TDG-MS)技术研究纸张上蓝色签字笔墨水在人为老化过程中组分的变化情况。
TDG-MS was applied to study the composition changing of blue gel pen inks on paper during artificial ageing at the time of this study.
资生堂MGC18色谱柱分离后三重四级杆串联质谱测定。
Four aflatoxins were separated in MG C18 column and detected by tandem mass spectrometry.
利用热重质谱联用分析仪对水分含量不同的稻秆进行热解实验研究,并对热解过程的动力学特性进行分析。
Pyrolysis experiments of three rice straw samples with different moisture content were conducted using a TG-MS analyzer. The effect of moisture content on pyrolysis behavior was studied.
重氮甲烷与酸性除草剂发生衍生反应,生成易于气相色谱-质谱测定的酯类化合物,反应条件温和,副产物少。
Under mild reaction condition, the derivative reaction of diazomethane with acid herbicides occurred and produced ester compounds with little by-products, which could be easily detected by GC-MS.
重氮甲烷与酸性除草剂发生衍生反应,生成易于气相色谱-质谱测定的酯类化合物,反应条件温和,副产物少。
Under mild reaction condition, the derivative reaction of diazomethane with acid herbicides occurred and produced ester compounds with little by-products, which could be easily detected by GC-MS.
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