SPECTROMETRY

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<i>In Situ</i>Analysis of Copper Alloys by Femtosecond Laser Ablation Inductively Coupled Plasma Mass Spectrometry: Constrains on Matrix Effects
《American Journal of Analytical Chemistry》2018年第3期150-161,共12页Germán Velásquez Anastassia Y. Borisova Sandrine Baron Luc Robbiola 
Direct analysis of copper-base alloys using laser ablation techniques is an increasingly common procedure in cultural heritage studies. However, main discussions remain focused on the possibility of using non-matrix m...
关键词：Copper Alloys Reference Material Matrix Effect In-Situ Metal Determinations NEAR-INFRARED Femtosecond Laser Ablation-Inductively Coupled Plasma-Mass SPECTROMETRY (NIR fs-LA-ICP-MS) 
Study on the Difference between Volatile Constituents of the Different Parts from <i>Elsholtzia ciliata</i>by SHS-GC-MS被引量：2
《American Journal of Analytical Chemistry》2017年第10期625-635,共11页Xiaoming Wang Lili Gong Haiqiang Jiang 
In this study, the comparison of Elsholtzia ciliata volatile compounds from the stem (with leaf) and flower was acquired. The volatile compounds of these two parts from Elsholtzia ciliata aerial parts were respectivel...
关键词：ELSHOLTZIA ciliata VOLATILE Constituents Static HEADSPACE Injection Technique Gas Chromatography-Mass SPECTROMETRY 
Fast and Sensitive Chiral Analysis of Amphetamines and Cathinones in Equine Urine and Plasma Using Liquid Chromatography Tandem Mass Spectrometry被引量：1
《American Journal of Analytical Chemistry》2015年第13期995-1003,共9页Caroline C. Wang Petra Hartmann-Fischbach Tim R. Krueger Alisha Lester Aaron Simonson Terry L. Wells Max O. Wolk Nick J. Hidlay 
A simple, rapid, sensitive and reproducible method for enantiomer analysis of methamphetamine, amphetamine, cathinone and methcathinone was developed and validated. The compounds were extracted from equine plasma and ...
关键词：AMPHETAMINES and CATHINONES EQUINE PLASMA and URINE Chiral Analysis Liquid Chromatography Tandem Mass SPECTROMETRY 
Product Analysis of Supercritical Fischer-Tropsch Synthesis: Utilizing a Unique On-Line and Off-Line Gas Chromatographs Setup in a Bench-Scale Reactor Unit
《American Journal of Analytical Chemistry》2015年第8期659-676,共18页Amro Kasht Rehan Hussain Minhaj Ghouri Jan Blank Nimir O. Elbashir 
The utilization of supercritical fluids (SCF) in the Fischer-Tropsch Synthesis (FTS) further complicates the hydrocarbon products identification and analysis process due to the dilution of hydrocarbon peaks by the pre...
关键词：SUPERCRITICAL Fluids Fischer-Trospch Synthesis Gas Chromatography Mass SPECTROMETRY 
Stereoselective High-Performance Liquid Chromatography Tandem Mass Spectrometry Method for Determination of R- and S-Acenocoumarol in Human Plasma and Its Application in a Pharmacokinetics Study
《American Journal of Analytical Chemistry》2015年第3期216-227,共12页Isam I. Salem Mahmoud Abdullah Naji Najib 
A stereoselective, sensitive and rapid liquid chromatography-tandem mass spectrometry (LC-MSMS) method for the determination of R-acenocoumarol and S-acenocoumarol in human plasma was developed and validated at IPRC b...
关键词：STEREOSELECTIVE Chromatography Mass SPECTROMETRY LC-MSMS ACENOCOUMAROL PHARMACOKINETICS 
Quantitative Analysis of FeMo Alloys by X-Ray Fluorescence Spectrometry
《American Journal of Analytical Chemistry》2014年第12期766-774,共9页Sung-Mo Jung 
A quantitative analysis method of molybdenum in FeMo alloys by X-ray spectrometry using borate fusion technique was compared with that with pressed pellet. The complete pre-oxidation of FeMo alloys for the preparation...
关键词：FeMo ALLOYS X-Ray FLUORESCENCE SPECTROMETRY BORATE FUSION PRE-OXIDATION Calibration Standard Quantification 
Neutron Activation Analysis and Scanning Electron Microscopy of Phytoplankton in the Coastal Zone of Crimea (The Black Sea)
《American Journal of Analytical Chemistry》2014年第5期323-334,共12页P. S. Nekhoroshkov A. V. Kravtsova M. V. Frontasyeva Yu. N. Tokarev 
The physiology and ecology of planktonic organisms are influenced by the concentration, chemical speciation and resulting bioavailability of some trace metals. The determination of the elemental structure of phytoplan...
关键词：Black Sea PHYTOPLANKTON Scanning Electron Microscopy NEUTRON Activation Analysis Energy-Dispersive X-Ray SPECTROMETRY TRACE Elements 
Thermal Characterization and Lifetime Estimation of the Humus Lombricospt
《American Journal of Analytical Chemistry》2014年第2期45-49,共5页Tulio Andres Florez Gladis Miriam Aparicio 
Through this study, the humus produced in the breeding place of Universidad Autonoma de Occidente was thermally characterized. The humus was submitted to a heating program controlled by the Differential Scanning Calor...
关键词：Thermal Analysis THERMOGRAVIMETRY (TGA) Differential Scanning CALORIMETRY (DSC) Mass SPECTROMETRY (MS) Activation Energy Decomposition Kinetics HUMUS 
Studies on the Binding Mechanism of VB<sub>1</sub>and VB<sub>9</sub>with Trypsin
《American Journal of Analytical Chemistry》2013年第12期771-775,共5页Yan Gao Congying Shao Wanru Ji Min Xiao Fan Yi Tong Zhou Yanqin Zi 
The binding characteristics of vitamin B1 (VB1) and vitamin B9 (VB9) with trypsin were investigated by fluorescence spectrometry and UV/vis spectrophotometry under simulated physiological conditions. With the addition...
关键词：TRYPSIN VB1 and VB9 FLUORESCENCE SPECTROMETRY Nonradiative Energy Transfer Mechanism 
The Detection of THCA Using 2-Dimensional Gas Chromatography-Tandem Mass Spectrometry in Human Fingernail Clippings: Method Validation and Comparison with Head Hair
《American Journal of Analytical Chemistry》2013年第10期1-8,共8页Joseph Jones Mary Jones Charles Plate Douglas Lewis 
Marijuana use as well as abuse is a significant public health and public safety concern in the United States and using hair to identify marijuana users and abusers has been gaining acceptance in a number of venues inc...
关键词：11-Nor-9-Carboxy-Δ9-Tetrahydrocannabinol THCA Carboxy-THC HAIR Fingernail 2D-GC-MS/MS 2-Dimensional Gas Chromatography Tandem Mass SPECTROMETRY 
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