采用气相色谱/质谱-选择离子监测法测定了纸品中高关注物质卡拉花醛的含量,以乙醇为萃取溶剂,超声萃取纸品中的卡拉花醛,萃取液经......

Objective: To identify the chemical constituents and biological activities of essential oil and crude methanol extract o......

目的建立大气PM_(2.5)中20种指示性多氯联苯的加速溶剂萃取-气相色谱三重四极杆质谱法。方法样品经加速溶剂萃取、减压浓缩、佛罗......

This work reports the investigation of a new triptycene-derived oxacalixarene (TDOC) as the stationary phase for gas chr......

目的：建立气相色谱/质谱联用检测明胶空心胶囊中17种塑化剂,包括邻苯二甲酸二异壬酯（DINP）的方法。方法：粉碎均匀样品用乙腈提取,超声......