Results 1 to 10 of about 564,728 (195)
Application progress of gas chromatography-mass spectrometry in food analysis
Shipin yu jixie, 2023 Gas chromatography-mass spectrometry combines the advantages of efficient and rapid gas chromatography and accurate identification by mass spectrometry. Gas chromatography-mass spectrometry has been widely used in the separation and analysis of volatile ...
XING Qian-qian +3 more
doaj +1 more source
Environmental Science and Technology, 2023 The level of microplastics (MPs) in wastewater treatment plants (WWTPs) has been well evaluated by the particle number, while the mass concentration of MPs and especially nanoplastics (NPs) remains unclear.
Yanghui Xu +6 more
semanticscholar +1 more source
Carbohydrate Polymer Technologies and Applications, 2023 Oligosaccharides play a central role in plants and are involved in basal metabolism, and many other functions at cellular levels. Indeed, oligosaccharides analysis was stimulated by the development of analytical chemistry and computational biology and ...
Noureddine Benkeblia
doaj +1 more source
Environmental Science and Technology, 2022 Nanoplastics (NPs) are currently considered an environmental pollutant of concern, but the actual extent of NP pollution in environmental water bodies remains unclear and there is not enough quantitative data to conduct proper risk assessments.
Yanghui Xu +4 more
semanticscholar +1 more source
Research progress of HS-SPME-GC-MS in the detection of volatile substances in fruit products
Shipin yu jixie, 2023 From the perspective of the application of headspace solid-phase microextraction-mass spectrometry coupled with gas chromatography-mass spectrometry （HS-SPME-GC-MS） technology in the detection of volatile substances in fruit products, this paper ...
PANG Ji-wei +7 more
doaj +1 more source
Gas chromatography–mass spectrometry determination of deltamethrin in food
Учёные записки Казанского университета: Серия Естественные науки, 2021 The article presents the results of the determination of the synthetic pyrethroid deltamethrin in raw food and various food products by gas chromatography with mass spectrometric detection (GC–MS).
I.M. Fitsev +4 more
doaj +1 more source
Detection of Urethane in Non-alcoholic Fermented Food [PDF]
E3S Web of Conferences, 2020 Among fermented foods, urethane often appears, which is a “2A” grade carcinogen. There are many types of fermented foods in my country, and the detection methods are not uniform enough, and no specific urethane detection standards have been formed.
Lihua Zhang
doaj +1 more source
Analysis and identification of diamondoids by different mass spectrometry techniques
Shiyou shiyan dizhi, 2020 Diamondoids have attracted extensive attention from researchers because of their important application value in oil and gas exploration. Since diamondoids have complex molecular structures and a large number of isomers, the identification of certain ...
Ling HUANG +6 more
doaj +1 more source
Gas chromatography–mass spectrometry analyses of encapsulated stable perovskite solar cells
Science, 2020 Perovskite decomposition in detail Solar cells are subject to heating when operating in sunlight, and the organic components of hybrid perovskite solar cells, especially the commonly used methylammonium cation, can undergo thermal decomposition ...
Lei Shi +13 more
semanticscholar +1 more source
Discrimination of Pakistani Fountain Pen Inks by Gas Chromatography-Mass Spectrometry (GC-MS)
International Journal of Analytical Chemistry, 2022 In developing countries, the chances of fraud in written documents are comparatively high. Therefore, comparison of fountain pen inks is especially imperative in examination of forensic questioned documents.
Mehwish Sharif +5 more
doaj +1 more source