Research advances in sample pretreatment techniques for pesticide residues
Journal of Chromatography OpenPesticide residue analysis is fundamental to food safety and environmental protection, where sample pretreatment critically determines detection accuracy.
Jiarong Cui, Fengshou Dong
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Use of headspace solid-phase microextraction for the analysis and characterisation of volatile compounds in rumen contents : a thesis presented in partial fulfillment of the requirements for the degree of Masterate of Science in Chemistry at Massey University [PDF]
, 2005 Appendix 2&3 removed due to copyright restrictions. Please consult print copy in Library.Volatile fatty acids (VFAs), alkyl phenols and indolic compounds are produced by rumen microbes during the fermentation of forages in ruminants.
Lu, Shengyi
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Headspace solid phase microextraction (spme) analysis of flavor compounds in wines. Effect of the matrix volatile composition in the relative response factors in a wine model [PDF]
, 2001 The application of headspace solid phase microextraction (SPME) for flavor analysis has been studied. Headspace SPME sampling was tested for nine common wine flavor compounds in 10% (v/v) aqueous ethanol: linalool, nerol, geraniol, 3-methyl-1-butanol ...
Barros, António S. +4 more
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Advances in Toxins and Narcotics Determination Techniques in China During 2013
Journal of Forensic Science and Medicine, 2015 Recently, toxin and narcotics detection techniques have been developed in China. A number of new technologies have been applied. The pretreatment technologies such as solid-phase extraction (SPE) techniques, solid-phase microextraction (SPME) techniques,
Ling Zeng +3 more
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Analysis of Mars Analogue Soil Samples Using Solid-Phase Microextraction, Organic Solvent Extraction and Gas Chromatography/Mass Spectrometry [PDF]
, 2011 Polycyclic aromatic hydrocarbons (PAHs) are robust and abundant molecules in extraterrestrial environments. They are found ubiquitously in the interstellar medium and have been identified in extracts of meteorites collected on Earth.
Ehrenfreund, P. +5 more
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Separations, 2017 Sample preparation has been recognized as a major step in the chemical analysis workflow. As such, substantial efforts have been made in recent years to simplify the overall sample preparation process.
Abuzar Kabir +2 more
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Dispersive liquid-liquid microextraction-gas chromatography-mass spectrometric determination of polycylic aromatic hydrocarbons in water [PDF]
, 2011 In this work, a sample preparation method based on dispersive liquid-liquid microextraction (DLLME) coupled with gas chromatography-mass spectrometry (GC-MS) was developed for the extraction of polycyclic aromatic hydrocarbons (PAHs), namely phenanthrene
Sharef A., Sarra Younes
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Scientific Substantiation of the Methodology of Preparation of Quince Japanese for Analysis and Investigation of Consumer Properties of the Products of Its Recycling [PDF]
, 2019 The aim of the study is a scientific substantiation of the methodology of quince Japanese for analyzing and investigating consumer properties of its recycling products.
Lisnichenko, O. (Olena) +3 more
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New trends in sample preparation methods for the determination of flavour compound in beers.
Kvasný průmysl, 2002 The most popular sample preparation methods for the determination of flavour compounds in beers are usually based on steam distillation or liquid-liquid extraction.
T. HORÁK +4 more
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Validation of an analytical method for determination of 13 priority polycyclic aromatic hydrocarbons in mineral water using dispersive liquid-liquid microextraction and GC-MS [PDF]
, 2016 Dispersive liquid-liquid microextraction (DLLME) combined with gas chromatography–mass spectrometry (GC–MS) was used for the extraction and determination of 13 polycyclic aromatic hydrocarbons (PAHs) in mineral water samples.
Bayat, Mitra. +4 more
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