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Reverse flow injection analysis of trace amounts of anionic surfactants in seawater without liquid–liquid extraction
anionic surfactants reverse flow injection analysis seawater spectrophotometry
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2015/3/3
In order to control the pollution by anionic surfactants in seawater, a simple, accurate and sensitive reverse flow injection (rFIA) spectrophotometric method for the determination of anionic surfacta...
Flow Injection Spectrophotometric Determination of Hydrazine in Environmental Water Samples
Flow Injection Hydrazine Spectrophotometry
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2011/12/14
A simple, accurate, sensitive and selective flow injection spectrophotometric method for rapid determination of amounts of hydrazine was proposed in this paper, which was based on p-dimethylamino-benz...
Flow-Injection Determination of Vanadium in Seawater Samples with Acidic Potassium Permanganate Chemiluminescence
Vanadium Seawater Samples Acidic Potassium Permanganate Chemiluminescence
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2010/9/17
Chemiluminescence from the vanadium and potassium permanganate reaction was studied under acidic conditions to develop a sensitive method for vanadium determination using the formaldehyde enhancement ...
Flow Injection Determination of Iron Ions with Green Tea Extracts as a Natural Chromogenic Reagent
Iron Ions Green Tea Extracts Natural Chromogenic Reagent
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2010/9/20
A green chemistry system that utilizes natural extract as an alternative reagent for determination of metal ions has been investigated. The extract of green tea, a common beverage, is used for quanti...
Flow-Injection On-line Electrochemical Separation/Determination of Ions Using a Two-Step Oil/Water-Type Flow Cell System
Flow-Injection On-line Electrochemical Separation/Determination a Two-Step Oil/Water-Type Flow Cell System
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2010/9/19
A flow system for electrochemical separation and detection of ions was constructed by connecting two oil/water (O/W)-type flow cells, in which a long polarizable O/W interface was formed at the inner ...
Sensitive Assay for Carvedilol in Tablets and Spiked Human Plasma Using a Flow-Injection Chemiluminometric Method
carvedilol chemiluminescence flow injection Tris (2, 2’‑ bipyridyl) ruthenium (II)
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2009/4/20
A simple and sensitive chemiluminometric method using flow injection (FI) is developed for the determination of carvedilol, based on the reaction of carvedilol with tris (2, 2’-bipyridyl) ruthenium (...
Speciation of Manganese Using a Pneumatic Flow Injection Analysis-Tandem Spectrometer System
Pneumatic flow injection analysis tandem spectrometer manganese speciation UV-Vis spectrometer flame atomic absorption spectrometer
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2010/4/16
A pneumatic flow injection-tandem spectrometer system, without a delivery pump, was used for the speciation of manganese (Mn). In this system the suction force of the pneumatic nebulizer of a flame at...
On-Line Preconcentration and Speciation of Chromium by an 8-Hydroxyquinoline Microcolumn Immobilized on Surfactant-Coated Alumina and Flow Injection Atomic Absorption Spectrometry
Chromium speciation on-line preconcentration 8-hydroxyquinoline alumina flow injection
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2010/4/19
An on-line technique for the determination of chromium species with atomic absorption spectrometry is described. The method is based on separation and preconcentration of Cr(III) on a microcolumn of i...
Voltammetric and Flow Injection Amperometric Determination of Cysteine at a Glassy Carbon Electrode in the Presence of Copper(II) Ions
Voltammetric Flow Injection Amperometric Determination Copper(II) Ions
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2010/4/21
The voltammetric behaviour of cysteine was investigated in the presence of Cu(II) ions at a rotating glassy carbon electrode (RGCE). Two reduction peaks related to the successive reduction of the cyst...
Flow Injection Speciation Analysis of Manganese in Real Samples by Diphenylcarbazide-Spectrophotometric Determination
Flow-injection Speciation Manganese Effluent streams Foods
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2010/4/21
The flow injection speciation of manganese in aqueous solution using a spectrophotometry method of detection is presented. Manganese (VII) can be determined spectrophotometrically at 308 nm after the ...
Flow Injection Amperometric Determination of Ascorbic Acid Using a Photoelectrochemical Reaction after Immobilization of Methylene Blue on Muscovite
Photoelectrochemical analysis flow injection analysis ascorbic acid muscovite methylene blue
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2010/4/21
Flow Injection Amperometric Determination of Ascorbic Acid Using a Photoelectrochemical Reaction after Immobilization of Methylene Blue on Muscovite.
Flow Injection Extraction - Spectrophotometric Determination of Bismuth with Di-(hydrogenated tallow alkyl) dimethylammonium Chloride
Extraction Flow-Injection Bismuth Di-(hydrogenatedtallowalkyl)dimethylammonium chloride
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2010/4/22
Bismuth(III) (0-25 m g/ml) is determined spectrophotometricaly at 513 nm after extraction into dichloromethane of the ion associate di-(hydrogenatedtallowalkyl)dimethylammonium tetraiodobismuthate. Th...
Flow Injection Analysis for Boron Determination by Using Methyl Borate Generation and Flame Atomic Emission Spectrometry
Boron AES Methyl borate formation flow injection
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2010/4/23
Flow Injection Analysis for Boron Determination by Using Methyl Borate Generation and Flame Atomic Emission Spectrometry.
Flow Injection Analysis of (—)-Epigallocatechin Gallate in Green Tea Infusions with an Immobilized Tannase Reactor
enzyme reactor ISFET tea EGCG
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2010/11/22
A flow injection method to determine the concentrations of (—)-epigallocatechin gallate (EGCG) in tea infusions was developed. A bioreactor, packed with immobilized tannase, was connected to a pH-ISFE...