Showing 41 - 60 results of 693 for search '"Gas Chromatography"', query time: 0.08s Refine Results
  1. 41

    Determination of Volatile Compounds in Foxtail Millet Sake Using Headspace Solid-Phase Microextraction and Gas Chromatography-Mass Spectrometry by Jingke Liu, Wei Zhao, Shaohui Li, Aixia Zhang, Yuzong Zhang, Songyan Liu

    Published 2015-01-01
    “…The volatile compounds in foxtail millet sake were extracted by headspace solid-phase microextraction (HS-SPME) and analyzed using gas chromatography-mass spectroscopy (GC-MS). Different methods of sample preparation were used to optimize this method (SPME fiber types, sample amount, extraction time, extraction temperature, content of NaCl, and rotor speed). …”
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  2. 42

    Analysis of Extractives in Liquid and Headspace Samples of Silver Fir Using Gas Chromatography Coupled with a Mass Selective Detector by Viljem Vek, Ida Poljanšek, Urša Osolnik, Primož Oven

    Published 2024-01-01
    “…The samples were then measured using gas chromatography (GC) coupled with a mass selective detector (MSD). …”
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  3. 43

    Identification and Quality Evaluation of Raw and Processed Asarum Species Using Microscopy, DNA Barcoding, and Gas Chromatography-Mass Spectrometry by Guangzhe Yao, Wenjuan Ma, Xuhua Huang, Qi Jia, Jiayuan Shen, Yanxu Chang, Huizi Ouyang, Jun He

    Published 2020-01-01
    “…In this study, 16 batches of Asarum herbs were collected, and their species were identified using DNA barcoding, which is a method for distinguishing plant species, coupled with microscopy. A gas chromatography-mass spectrometry (GC-MS) method for simultaneous determination of 10 compounds was established to evaluate the contents of raw and processed Asarum herbs. …”
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    Analysis of diclofenac in water samples using in situ derivatization-vortex-assisted liquid-liquid microextraction with gas chromatography-mass spectrometry by Aydin Senar, Aydin Mehmet Emin, Beduk Fatma, Tekinay Arzu, Kilic Havva

    Published 2018-09-01
    “…DCF was derivatized and extracted simultaneously using vortex-assisted liquid-liquid micro-extraction (VALLME) prior to gas chromatography with mass spectrometry detection. The effects of extraction solvent volume, extraction and derivatization time and ionic strength of the sample were studied using 23 factorial experimental design. …”
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  7. 47

    Molecularly Imprinted Nanomicrospheres as Matrix Solid-Phase Dispersant Combined with Gas Chromatography for Determination of Four Phosphorothioate Pesticides in Carrot and Yacon by Mengchun Zhou, Nana Hu, Shaohua Shu, Mo Wang

    Published 2015-01-01
    “…An efficient, rapid, and selective method for sample pretreatment, namely, molecularly imprinted matrix solid-phase dispersion (MI-MSPD) coupled with gas chromatography (GC), was developed for the rapid isolation of four phosphorothioate organophosphorus pesticides (tolclofos-methyl, phoxim, chlorpyrifos, and parathion-methyl) from carrot and yacon samples. …”
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  8. 48

    Determination of Muscone in Rats Plasma following Oral Administration of Artificial Musk: Using of Combined Headspace Gas Chromatography-Mass Spectrometry by Qibiao Wu, Haitao Li, Yujing Leng, Haishan Deng, Haibo Cheng, Weixing Shen

    Published 2014-01-01
    “…Headspace injection coupled with gas chromatography-mass spectrometry was used for quantitative analysis of muscone concentrations. …”
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  9. 49

    Development and Validation of Gas Chromatography-Triple Quadrupole Mass Spectrometric Method for Quantitative Determination of Regulated Plasticizers in Medical Infusion Sets by So Hyeon Jeon, Yong Pyo Kim, Younglim Kho, Jeoung Hwa Shin, Won Hyun Ji, Yun Gyong Ahn

    Published 2018-01-01
    “…A method for the quantitative determination of dibutyl phthalate (DBP), benzyl butyl phthalate (BBP), bis(2-ethylhexyl) adipate (DEHA), bis(2-ethylhexyl) phthalate (DEHP), di-n-octyl phthalate (DNOP), dioctyl terephthalate (DOTP), diisononyl phthalate (DINP), and diisodecyl phthalate (DIDP) in medical infusion sets was developed and validated using gas chromatography coupled with triple quadrupole mass spectrometry (GC-MS/MS) in the multiple reaction monitoring (MRM) mode. …”
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    The Influence of the Concentration of Cyclohexane Radicals Bonded with an Si100 Silica Gel Surface upon the Retention of Some Hydrocarbons in Gas Chromatography by R. Nasuto

    Published 2000-02-01
    “…Four adsorbents based on silica gel Si100 with chemically bonded cyclohexane have been prepared as stationary phases for gas chromatography. The concentrations of cyclohexane radicals thus bonded with the silica gel surface were 1.35, 3.35, 4.17 and 6.02 μmol/m 2 , respectively. …”
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  12. 52

    Analysis of Polycyclic Aromatic Hydrocarbon in Airborne Particulate Matter Samples by Gas Chromatography in Combination with Tandem Mass Spectrometry (GC-MS/MS) by Nam Vu-Duc, Lan Anh Phung Thi, Thuy Le-Minh, Lan-Anh Nguyen, Huong Nguyen-Thi, Loan-Ha Pham-Thi, Van-Anh Doan-Thi, Huong Le-Quang, Hung Nguyen-Xuan, Thao Thi Nguyen, Phuong Thanh Nguyen, Dinh Binh Chu

    Published 2021-01-01
    “…In this work, a capillary gas chromatography coupled with electron impact ionization tandem mass spectrometry (GC-EI-MS/MS) has been introduced for analysis of 16 PAHs in some particulate matter samples. …”
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    Alkaloids Profiling of Fumaria capreolata by Analytical Platforms Based on the Hyphenation of Gas Chromatography and Liquid Chromatography with Quadrupole-Time-of-Flight Mass Spectrometry by María del Mar Contreras, Noureddine Bribi, Ana María Gómez-Caravaca, Julio Gálvez, Antonio Segura-Carretero

    Published 2017-01-01
    “…Two analytical platforms, gas chromatography (GC) coupled to quadrupole-time-of-flight (QTOF) mass spectrometry (MS) and reversed-phase ultrahigh performance liquid chromatography (UHPLC) coupled to diode array (DAD) and QTOF detection, were applied in order to study the alkaloid profile of Fumaria capreolata. …”
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  16. 56

    Qualitative and Quantitative Analysis of Volatile Components of Zhengtian Pills Using Gas Chromatography Mass Spectrometry and Ultra-High Performance Liquid Chromatography by Cui-ting Liu, Min Zhang, Ping Yan, Hai-chan Liu, Xing-yun Liu, Ruo-ting Zhan

    Published 2016-01-01
    “…Volatile components of ZTPs extracted by ethyl acetate with an ultrasonic method were analyzed by gas chromatography mass spectrometry (GC-MS). Twenty-two components were identified, accounting for 78.884% of the total components of volatile oil. …”
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  17. 57

    Determination of Volatile Compounds in Four Commercial Samples of Japanese Green Algae Using Solid Phase Microextraction Gas Chromatography Mass Spectrometry by Masayoshi Yamamoto, Susanne Baldermann, Keisuke Yoshikawa, Akira Fujita, Nobuyuki Mase, Naoharu Watanabe

    Published 2014-01-01
    “…Our research, based on solid phase microextraction gas chromatography mass spectrometry (SPME-GC-MS), has revealed that volatile compounds differ intensely in the four varieties of commercial green algae. …”
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    Analysis of Flavor Differences in Yak Milk Powder at Different Milk Production Stages by Headspace Solid-Phase Microextraction and Gas Chromatography–Mass Spectrometry by Diandian Wang, Yaxi Zhou, Jian Zhao, Yu Guo, Wenjie Yan

    Published 2025-01-01
    “…This study identified and analyzed the volatile compounds in freeze-dried colostrum powder (YCSP), freeze-dried mature milk powder (YMMP), and freeze-dried ending milk powder (YEMP) using headspace solid-phase microextraction combined with gas chromatography–mass spectrometry (HS-SPME-GC-MS) and multivariate statistical analysis. …”
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