金铠仪器PI-TOF MS 采用基于真空紫外(VUV)灯的组合软电离和高分辨飞行时间质谱技术。仪器具有ppt量级的超高灵敏度,同时具有分辨率高、准确性好、分析物种类全、无需复杂样品预处理、分析速度快以及抗湿度、高稳定性、移动式外场测量等优势,能够检测苯系物、烃类、醛类、酮类、酸类、醚类、酚类、有机硫化物等多类...
金铠仪器PI-TOF MS 采用基于真空紫外(VUV)灯的组合软电离和高分辨飞行时间质谱技术。仪器具有ppt量级的超高灵敏度,同时具有分辨率高、准确性好、分析物种类全、无需复杂样品预处理、分析速度快以及抗湿度、高稳定性、移动式外场测量等优势,能够检测苯系物、烃类、醛类、酮类、酸类、醚类、酚类、有机硫化物等多类...
This method is simple, fast, accurate, and suitable for the on-line puff-by-puff analysis of mainstream cigarette smoke.%为了考察卷烟抽吸过程中主流烟气的逐口释放特征,建立了在线分析卷烟主流烟气中乙醛,1,3-丁二烯,丙酮,异戊二烯,2-丁酮,苯和甲苯7种有机物的光致电离飞行时间质谱(PI-TOF/MS)方法....
HPLC-Q-TOF-MSfingerprint analysisquality determinationZibu Piyin recipe (ZBPYR), a traditional Chinese medicine formula, is used for curing dementia caused by diabetes. For quality control of ZBPYR, ngerprint analysis and qualitative analysis using high-performance liquid chromatography (HPLC) with a...
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为了考察卷烟抽吸过程中主流烟气的逐口释放特征,建立了在线分析卷烟主流烟气中乙醛、1,3-丁二烯、丙酮、异戊二烯、2-丁酮、苯和甲苯7种有机物的光致电离飞行时间质谱(PI-TOF/MS)方法。通过标准恒流孔实现卷烟烟气的定量取样,烟气经带加热装置的采样管引入PI-TOFMS离子源内进行分析。结果表明:1方法日内重复性、日间...
Investigation on effect of functional groups on volatile evolution in coal pyrolysis with in situ Py-PI-TOFMSThe functional groups such as alkyl and hydroxyl groups can significantly reduce the release temperature of corresponding products The effect of hydroxyl groups is dramatically stronger than that...
It allowed elemental composition by TOFMS with a mass resolving power up to 8,000 (FWHM) and a mass accuracy of 1 mDa, leading to the calculation of heteroatomic content, double bond equivalency, and carbon number of the compounds. The qualitative and quantitative results presented herein ...
UPLC/Q-TOF-MSVasorelaxantAntioxidantBiological activityHPLC-DADCanarium pimela K.D. Koenig, Burseraceae, have a long history of use in the Chinese traditional medicine treatment of various ailments including hypertension, and our research team has reported the anti-hypertensive activity and delineated ...
Proteins identified by MALDI-TOF MS. Protein theoretical relative mass (Mr) and isoelectric point (pI) are reported along with the coverage percentages, the number of matching peptides and ...