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The Determination Of Hydrogen Peroxide By Flow Injection Analysis Using Chemiluminescent Detection
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Book Synopsis The Determination of Hydrogen Peroxide by Flow Injection Analysis Using Chemiluminescent Detection by : Gretchen C. Rule
Download or read book The Determination of Hydrogen Peroxide by Flow Injection Analysis Using Chemiluminescent Detection written by Gretchen C. Rule and published by . This book was released on 1979 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Hydrogen Peroxide Using Immobilized Chemiluminescence Reagents and Flow Injection Analysis by : narasimha Murthy Rao
Download or read book Determination of Hydrogen Peroxide Using Immobilized Chemiluminescence Reagents and Flow Injection Analysis written by narasimha Murthy Rao and published by . This book was released on 1990 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this work, use of immobilized luminol for the CL determination of hydrogen peroxide using flow injection analysis (FIA) was investigated. Nylon was initially chosen as the immobilization support because of its chemical inertness. Luminol was covalently immobilized on the inside of nylon tubing and used for FIA determination of peroxide using solution-phase hemin as catalyst (detection limit = 0.4 $mu$M, relative standard deviation (rsd) = 2.5%). Next, horseradish peroxidase (HRP) was immobilized on nylon membranes. Luminol was immobilized on to an anion exchange resin and packed in a column. When used in the FIA mode, stoichiometric amounts of luminol could be released from the column by injecting another anion with higher affinity towards the resin. The pH downstream of the column could also be controlled by the amount of anion injected upstream of the column. Such columns were used in a single channel FIA scheme for the determination of peroxide in conjunction with immobilized HRP as catalyst (detection limit = 8 $mu$M, mean rsd = 0.8%). The experiment was extended for the determination of glucose by using co-immobilized HRP and glucose oxidase (detection limit = 25 $mu$M). The problem presented by real samples was solved using a sample pre-treatment technique. The CL of luminol-Ru(bpy)$sb3sp{3+}$-peroxide system was investigated. It was found that CL is produced when the potential of a glassy carbon (GC) electrode coated with Nafion and loaded with Ru(bpy)$sb3sp{2+}$ is raised above 0.95 V in the presence of luminol and peroxide. The shape of the ECL vs applied potential curve obtained in this case was markedly different from that obtained using a bare GC electrode. The modified electrode (detection limit = 0.5 $mu$M) as well as the bare GC electrode (detection limit = 0.2 $mu$M) were used for peroxide determination at pH 8 in the presence of 10 $mu$M luminol. In the presence of 1 mM peroxide, luminol could be detected down to 0.5 nM with the modified electrode. The modified electrode was also used for amperometric detection of peroxide (detection limit = 0.08 $mu$M at pH 7.5).
Book Synopsis The Determination of Hydrogen Peroxide in Seawater Using Flow Injection with Chemiluminescence Detection by : David Price
Download or read book The Determination of Hydrogen Peroxide in Seawater Using Flow Injection with Chemiluminescence Detection written by David Price and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemiluminescent Determination of Ammonia by Flow-injection Analysis by : Paul Robert Kraus
Download or read book Chemiluminescent Determination of Ammonia by Flow-injection Analysis written by Paul Robert Kraus and published by . This book was released on 1982 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A study of some methods involving the determination of hydrogen peroxide, in particular in flow injection analysis by : Hans Lundbäck
Download or read book A study of some methods involving the determination of hydrogen peroxide, in particular in flow injection analysis written by Hans Lundbäck and published by . This book was released on 1984 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemiluminescence in Analytical Chemistry by : Ana M. Garcia-Campana
Download or read book Chemiluminescence in Analytical Chemistry written by Ana M. Garcia-Campana and published by CRC Press. This book was released on 2001-03-23 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume details the theories, mechanisms, technologies and trends for solving qualitative and quantitative problems in diverse areas of analytical research - emphasizing physicochemical principles. It focuses on deriving simpler and more extensive chemiluminescence (CL) detectors reflecting miniaturization trends, including narrow-bone and capillary liquid chromatography versus high-performance liquid chromatography and miniaturized high-performance thin-layer chromatography. It also covers the sensitivity, selectivity, wide detection range and versatility of CL-based methodologies.
Book Synopsis Determination of Hydrogen Peroxide in Reactor Moderator Solutions by Flow Injection Analysis (U) by : M. J. Whitaker
Download or read book Determination of Hydrogen Peroxide in Reactor Moderator Solutions by Flow Injection Analysis (U) written by M. J. Whitaker and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Determination of Hydrogen Peroxide in Reactor Moderator Solutions by Flow Injection Analysis by :
Download or read book Determination of Hydrogen Peroxide in Reactor Moderator Solutions by Flow Injection Analysis written by and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: A flow injection analysis (FIA) method for the determination of hydrogen peroxide in reactor moderator water was developed and installed at the Savannah River Site (SRS) Water Quality Laboratory. The technique has an analytical range of 0.10 to 2.50 ppm (ug/mL) with a sampling rate of 40 samples per hour. The calibration curve is linear with a correlation coefficient of 0.999, and the precision is excellent with relative standard deviations at the 0.50% level for both 0.10 and 2.50 ppm standards. When the automated FIA procedure is compared to the manual method it demonstrates a twenty minute reduction in analysis time per sample, and the total liquid waste generated per sample analyzed is reduced by roughly 95 mL. 6 refs., 10 figs., 6 tabs.
Book Synopsis Flow Injection Analysis by : Marek Trojanowicz
Download or read book Flow Injection Analysis written by Marek Trojanowicz and published by World Scientific. This book was released on 2000 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation The first five chapters in this manual for users and manufacturers of FIA technology describe the principles and properties of detection methods, including molecular and atomic spectroscopy detection methods, electrochemical methods, enzymatic methods and immunoassays, and photoacoustic spectroscopic detection. Chapters six and seven cover on-line sample processing and speciation analysis. Chapter eight (the longest chapter) discusses applications of flow injection methods in routine analysis, including environmental applications and analysis of food products and biological and mineral materials, clinical analysis, pharmaceutical and biotechnology applications, and process analysis. The last three chapters cover sequential and batch injection techniques, review commercially available instrumentation, and discuss current trends in developments of flow analysis. Annotation copyrighted by Book News, Inc., Portland, OR.
Book Synopsis Quantitation of hydrogen peroxide concentration through Co(II)-enhanced chemiluminescence using a low-cost microscale luminometer by : Beatrix Rosette G. Mabato
Download or read book Quantitation of hydrogen peroxide concentration through Co(II)-enhanced chemiluminescence using a low-cost microscale luminometer written by Beatrix Rosette G. Mabato and published by . This book was released on 2014 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hydrogen peroxide (H2O2) measurement scheme was developed using an inexpensive and microscale photodiode-based luminometer. The measurement of H2O2 was based on the chemiluminescence (CL) emitted by the Co(II)-catalyzed luminol-H2O2 system. The proposed technique employed two injection systems: batch-wise and flow injection methods. Reaction and instrument-centered parameters were systematically optimized. Under optimum conditions, the working ranges were linear from 7.08 x 10−6 to 1.91 x 10−4 M H2O2 (R = 0.989) and 1.18 x 10−4 to 9.56 x 10−3 M H2O2 (semi-logarithmic scaling) (R = 0.984) for the batch-wise and flow injection CL methods, respectively. The detection limit calculated using the 3 SD/m criterion for the batch-wise method is 5.8 x 10−7 M H2O2 (n = 11). For the flow injection method, the detection limit based on the lowest concentration in the calibration curve is 1.18 x 10−4 M H2O2 (n = 3). Excellent repeatability and reproducibility were recorded for both injection methods. A total of 180 and 120 samples/hour can be analyzed using the batch-wise and flow injection CL method, respectively. The measurement system was evaluated using pharmaceutical and cosmetic H2O2 preparations and the method was validated through the official method of analysis of the association of official analytical chemists (AOAC) for H2O2 assay, iodometric titration. Statistical tests revealed that there is no significant difference between the measurements obtained using the CL and titrimetry methods. The developed method can be an alternative technique for H2O2 quantification by virtue of its simplicity, short analysis time, sensitivity, excellent precision, cost-effectiveness as well as battery-operation capability and field-portability (batch-wise method) and semi-automation capacity (flow injection method).
Book Synopsis Flow Injection Analysis by : B. Karlberg
Download or read book Flow Injection Analysis written by B. Karlberg and published by Elsevier. This book was released on 1989-08-04 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a practical guide for first-time and experienced users of Flow Injection Analysis (FIA). It gives, not a detailed theoretical analysis, but a ``nuts and bolts'' approach to the description of the technique and how it can be utilized to solve analytical chemical problems.The advantages of flow injection, how, when, why and where it works are all fully explained. Criteria for the choice of hardware and useful hints for maintenance are provided. The large variety of detectors suitable to combine with FIA are discussed, as are special modes of operation, their advantages and their limitations, and also conversion of batch methods to FIA methods. Numerous in-depth descriptions of applications of FIA techniques in water, soil, pharmaceutical and industrial analysis are featured, and a complete bibliography is included.The authors have spent several years demonstrating, lecturing and using FIA and the basic outline of their book closely follows the schedule of the FIA workshops they have taught. It will be an invaluable tool for all chemists who perform analyses on a routine basis.
Book Synopsis Advances in Flow Analysis by : Marek Trojanowicz
Download or read book Advances in Flow Analysis written by Marek Trojanowicz and published by John Wiley & Sons. This book was released on 2008-09-08 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first book to cover different injection techniques not only provides a comprehensive overview of methodologies and instrumentation, it also covers recent advances in flow method analysis, with an appendix listing additional databases, instrumentation and methods on the Internet. A definite must-have for every chemist working in this field.
Book Synopsis Luminescence Techniques in Chemical and Biochemical Analysis by : Willy R. G. Baeyens
Download or read book Luminescence Techniques in Chemical and Biochemical Analysis written by Willy R. G. Baeyens and published by CRC Press. This book was released on 1990-10-26 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides information on modern luminescence techniques, beginning with a general introduction to luminescence spectroscopy. Divided into two basic sections, the first dealing with fluorescence and the latter part on chemiluminescence. Topics include immunoassays, the use of chemiluminescence in flow
Book Synopsis Chemiluminometric Hydrogen Peroxide Sensor for Flow Injection Analysis by : Frank Preuschoff
Download or read book Chemiluminometric Hydrogen Peroxide Sensor for Flow Injection Analysis written by Frank Preuschoff and published by . This book was released on 1991 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Chemical Sensors by : F. Baldini
Download or read book Optical Chemical Sensors written by F. Baldini and published by Springer Science & Business Media. This book was released on 2006-05-03 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers optical chemical sensing by means of optical waveguides, from the fundamentals to the most recent applications. The book includes a historical review of the development of these sensors, from the earliest laboratory prototypes to the first commercial instrumentations. The book reprints a lecture by the Nobel Laureate Charles Townes on the birth of maser and laser, which lucidly illustrates the development of new science and new technology.
Book Synopsis Bio- and Chemi-luminescent Sensors by : Loc J. Blum
Download or read book Bio- and Chemi-luminescent Sensors written by Loc J. Blum and published by World Scientific. This book was released on 1997 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is aimed at scientists, technologists, engineers, and undergraduate and graduate students involved in analytical and process biochemistry and biotechnology. It reviews the potentialities of light-emitting reaction associated with the sensor approach.The book introduces the concepts of sensors and biosensors and places bio- and chemi-luminescent sensors in the general context of biosensors. It then briefly describes luminescence phenomena and provides some basic knowledge necessary for understanding and exploiting light-emitting reactions. These luminescence reactions, important from an analytical standpoint, are described. Also the applications of bio- and chemi-luminescence which make use of immobilized reagents are explained. Finally, there is discussion of bio- and chemi-luminescent sensors, most of them including fiber optics.
Book Synopsis Bioluminescence & Chemiluminese Instruments by : Knox van Dyke
Download or read book Bioluminescence & Chemiluminese Instruments written by Knox van Dyke and published by Springer. This book was released on 1985-07-16 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
