Results 21 to 30 of about 2,242,200 (261)
Advances in Sample Preparation, 2023 In this study, SBA-15 mesoporous silica has been investigated as sorbent phase for the extraction and determination of 10 polycyclic aromatic hydrocarbons (PAHs) in environmental water samples for the first time. The extraction step was performed through
Camila Scheid +5 more
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Influence of double solution treatment on hardness in 17-4 pH steel
Zaštita Materijala, 2015 The investigated material is a corrosion-resistant, Cu precipitation hardened steel 17-4PH, which undergoes a macroscopic contraction, as a result of applying the following heat treatment: double solution treatment at 1028°C for 1 h (condition A), ageing
Roman Sowa +4 more
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Advances in Sample Preparation, 2023 Pesticides are a class of compounds that are used to protect agricultural products. However, the uncontrolled use of these chemicals increases the risks associated with their overdosing and rises a significant concern about their effect on human health ...
Kübra Kahremanoğlu +2 more
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Advances in Sample Preparation, 2023 Inorganic arsenic is considered one of the most critical and severe environmental problems due to its high toxicity even at low levels of exposure, causing serious health problems.
Yesica Vicente-Martínez +4 more
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Advances in Sample Preparation, 2022 A simple and cost-effective analytical approach based on the combination of purge and trap technique coupling with smartphone-based image analysis was developed for the sensitive detection of ethanol.
Waleed Alahmad +5 more
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Advances in Sample Preparation, 2022 Task-specific ionic liquids (TSILs) represent a sub-family of ionic liquids characterized by their high specificity towards a target analyte or group of analytes.
Mauricio Llaver +5 more
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Advances in Sample Preparation, 2022 Vacuum-assisted headspace solid phase microextraction (Vac-HSSPME) with high temperature of extraction was used for source-rock analysis. Optimization of extraction conditions was performed by Doehlert experimental design (DD) in gas chromatography ...
Breno J. Pollo +4 more
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Application of solid-phase microextraction in atomic spectrometry
Advances in Sample Preparation, 2022 With the growing requirements for the monitoring of heavy metals at an ultra-trace level in the environment and the real-time detection of toxic elements and their compounds for environmental pollution accidents, researchers devoted significant efforts ...
Yubin Su +3 more
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Advances in Sample Preparation, 2022 In the present study, a new chip was designed for simultaneous electromembrane extraction (EME) of acidic and basic analytes. The method followed by the HPLC-UV analysis, was used for simultaneous extraction and determination of trace amounts of target ...
Zohre Hashemlou +2 more
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A comprehensive review on the use of microextraction techniques in the analysis of cosmetic products
Advances in Sample Preparation, 2022 Microextraction techniques have gained special relevance since their appearance in the 90s, and the analysis of cosmetic products has not been immune to this trend.
Lorenza Schettino +3 more
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