We have also established an accute and effective calibrating system-gas chromatography and solid phase micro extraction (SPME).
并且还建立了一套准确而有效的气相色谱和固相微萃取定标系统。
RESULTS: The micro character and thin layer chromatography was clear with no disturbance of negative sample.
结果：显微鉴别特征明显、薄层色普清晰，空白样品无干扰；
The deactivation kinetics for the vapor-phase disproportionation of toluene over mordenite catalyst has been studied by using a combined unit of micro-reactor under pressure and gas chromatography.
本文采用加压微反-包谱-数据处理机联合装置研究了在丝光沸石催化剂上甲苯歧化反应的失活动力学。
The gas chromatography has extremely high sensibility to identify H_2, so it is a method to detect siderite which contains micro clays and impurity minerals with OH groups, vice versa.
由于气相色谱对H_2的检出灵敏度特高，可作为对菱铁矿中含有羟基结构的微量粘土及其矿物杂质的检测方法，反之亦然。
The method including the process of extraction chromatography and the mass spectrum measurement for the exact analysis of micro neptunium in the existence of large quantity of uranium is established.
建立了准确测定常量铀中微量镎的方法。方法包括萃取色层法分离和质谱法测量。
The micro-level DINP in polyester plastics was studied by normal phase high performance liquid chromatography-electrospray ionization mass spectrometry (NP-HPLC/ESI MS).
采用正相高效液相色谱-电喷雾电离质谱（NP-HPLC/ESI MS）法对聚酯类增塑剂产品中微量DINP进行分析。
The micro-level DINP in polyester plastics was studied by normal phase high performance liquid chromatography-electrospray ionization mass spectrometry (NP-HPLC/ESI MS).
采用正相高效液相色谱-电喷雾电离质谱（NP-HPLC/ESI MS）法对聚酯类增塑剂产品中微量DINP进行分析。
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