Results 1 to 10 of about 650,345 (262)

Flow Injection Analysis with Direct UV Detection Following Electric Field Driven Membrane Extraction [PDF]

open access: yesMolecules, 2018
A method for on-line matrix elimination to enable selective quantification of ultraviolet absorbing analytes by a flow-injection analysis procedure is described.
Hong Heng See   +2 more
doaj   +2 more sources

Analysis of pressures in water injection wells considering fracture influence induced by pressure-drive water injection [PDF]

open access: yesYouqicang pingjia yu kaifa, 2023
The analysis of the well bottom pressure of the pressure-drive injection wells is of great significance for the evaluation of the pressure-drive effect and the inversion of reservoir parameters.
CUI Chuanzhi   +6 more
doaj   +2 more sources

Metabolic Footprinting of Microbial Systems Based on Comprehensive In Silico Predictions of MS/MS Relevant Data

open access: yesMetabolites, 2022
Metabolic footprinting represents a holistic approach to gathering large-scale metabolomic information of a given biological system and is, therefore, a driving force for systems biology and bioprocess development.
Alexander Reiter   +3 more
doaj   +1 more source

Reflections on the origin and evolution of flow injection analysis [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2020
Flow analysis methodologies began in the 1950s. Flow injection methodologies originated in the 1970s. This review focuses on FIA related developments. Early injection analysis reports included the Nagy, Feher, and Pungor system in which they injected ...
Gary D. Christian
doaj   +1 more source

Flow Chemistry in Contemporary Chemical Sciences: A Real Variety of Its Applications

open access: yesMolecules, 2020
Flow chemistry is an area of contemporary chemistry exploiting the hydrodynamic conditions of flowing liquids to provide particular environments for chemical reactions. These particular conditions of enhanced and strictly regulated transport of reagents,
Marek Trojanowicz
doaj   +1 more source

Development of Micro-Column Preconcentration Method Using a Restricted-Access Poly(protoporphyrin-co-vinyl pyridine) Adsorbent for Copper Determination in Water and Milk Samples by FIA-FAAS

open access: yesSeparations, 2023
For years, researchers have focused on the determination of metal ions at trace levels in environmental and food samples using analytical methods that employ techniques with low cost acquisition and maintenance and without microwave-assisted acid ...
Fabio Antonio Cajamarca Suquila   +3 more
doaj   +1 more source

Flow-Injection Methods in Water Analysis—Recent Developments

open access: yesMolecules, 2022
Widespread demand for the analysis and control of water quality and supply for human activity and ecosystem sustainability has necessitated the continuous improvement of water analysis methods in terms of their reliability, efficiency, and costs.
Marek Trojanowicz, Marta Pyszynska
doaj   +1 more source

Flow injection analysis of vancomycin

open access: yesEclética Química, 2018
A flow injection method for the quantitative analysis of vancomycin hydrochloride, C66H75Cl2N9O24.HCl (HVCM), based on the reaction with copper (II) ions, is presented. HVCM forms a lilac-blue complex with copper ions at pH≅4.5 in aqueous solutions, with
Marta Maria Duarte Carvalho Vila   +2 more
doaj   +1 more source

An analysis method of injection and production dynamic transient flow in a gas field storage facility

open access: yesPetroleum Exploration and Development, 2022
A dynamic transient flow analysis method considering complex factors such as the cyclic injection and production history in a gas field storage facility was established in view of the limitations of the existing methods for transient flow analysis and ...
Jieming WANG   +6 more
doaj   +1 more source

Micelle-enhanced flow injection analysis

open access: yesReviews in Analytical Chemistry, 2018
Surface-active agents are organic compounds of amphiphilic nature. When the concentration of surfactants is higher than a certain value, the monomers adhere to form well-defined aggregates known as micelles.
Abdeldaim Dalia T., Mansour Fotouh R.
doaj   +1 more source

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