Flow-based methods and their applications in chemical analysis

Timofeeva, Irina; Nugbienyo, Lawrence; Pochivalov, Aleksei; Vakh, Christina; Shishov, Andrey; Bulatov, Andrey

doi:10.1007/s40828-021-00149-8

Cited by 7 publications

(1 citation statement)

References 153 publications

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“…Modern flow analyzers are highly versatile, allowing the efficient accomplishment of all steps inherent to the analytical procedure, such as sample and reagent handling and flow-through detection [ 1 ]. These steps are in-line carried out in an automated manner and expert flow analyzers for managing entire sample batches without human intervention have become a reality [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

Chemical Derivatization in Flow Analysis

Rocha

Zagatto

2022

Molecules

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Chemical derivatization for improving selectivity and/or sensitivity is a common practice in analytical chemistry. It is particularly attractive in flow analysis in view of its highly reproducible reagent addition(s) and controlled timing. Then, measurements without attaining the steady state, kinetic discrimination, exploitation of unstable reagents and/or products, as well as strategies compliant with Green Analytical Chemistry, have been efficiently exploited. Flow-based chemical derivatization has been accomplished by different approaches, most involving flow and manifold programming. Solid-phase reagents, novel strategies for sample insertion and reagent addition, as well as to increase sample residence time have been also exploited. However, the required alterations in flow rates and/or manifold geometry may lead to spurious signals (e.g., Schlieren effect) resulting in distorted peaks and a noisy/drifty baseline. These anomalies can be circumvented by a proper flow system design. In this review, these aspects are critically discussed mostly in relation to spectrophotometric and luminometric detection.

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Section: Introductionmentioning

confidence: 99%

Chemical Derivatization in Flow Analysis

Rocha

Zagatto

2022

Molecules

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Electrochemistry and education

Scholz

2023

J Solid State Electrochem

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Potentiometry, chemical equilibria, and flow injection analysis—three important topics taught with one experimental setup

Kahlert

Meyer

Albrecht

2023

J Solid State Electrochem

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In general, concepts such as chemical equilibria and classical analytical chemistry, as well as instrumental methods such as potentiometry and flow injection analysis (FIA), are taught separately in the curricula of chemistry-related degree programs. However, FIA provides an opportunity to connect all of these important topics. This article shows how simple experiments can be used to link the fundamentals of FIA and potentiometry to the fundamentals of chemical equilibria and teach them in a sustainable way. The experiments were designed for undergraduate environmental science students with basic knowledge of chemical equilibria and classical analytical chemistry and minimal knowledge of electrochemistry. However, they can also be integrated into various courses on instrumental analysis in chemistry-related degree programs.

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Flow-based methods and their applications in chemical analysis

Cited by 7 publications

References 153 publications

Chemical Derivatization in Flow Analysis

Chemical Derivatization in Flow Analysis

Electrochemistry and education

Potentiometry, chemical equilibria, and flow injection analysis—three important topics taught with one experimental setup

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