Umeå University - Analytical Chemistry

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Viklund C., Pontén E., Glad B., Irgum K., Hörstedt P., Svec F.
"Molded" macroporous poly(glycidyl methacrylate-co-trimethylolpropane trimethacrylate) materials with fine controlled porous properties: Preparation of monoliths using photoinitiated polymerization.
Chem. Mater. 1997, 9, 463-471.
Snell J.P., Sandberg S., Frech W.
Determination of cadmium in very low concentration urine samples by electrothermal atomic absorption spectrometry.
J. Anal. At. Spectrom. 1997, 12, 491-494.
Johansson M., Baxter D.C., Ohlsson K.E.A., Frech W.
Mechanism of formation and spatial distribution of lead atoms in quartz tube atomizers.
Spectrochim. Acta 1997, 52, 643-656.
Emteborg M., Ponten E., Irgum K.
Influence of imidazole and bis(trichlorophenyl)oxalate in the oxalyldiimidazole peroxyoxalate chemiluminescence reaction.
Anal. Chem. 1997, 69, 2109-2114.
Cedergren A.
Comparison between bipotentiometric and true potentiometric end-point detection using rapidly reacting Karl Fischer reagents.
Anal. Chem. 1996, 68, 3679-3681.
Hänström S., Briche C., Emteborg H., Baxter D.C.
Large-volume injections in capillary gas chromatography using a separately heated packed pre-column: application to mercury speciation in natural water.
Analyst 1996, 121, 1657-1663.
Stigbrand M., Karlsson A., Irgum K.
Direct and selective determination of atmospheric gaseous hydrogen peroxide by diffusion scrubber and 1,1'-oxalyldiimidazole chemiluminescence detection.
Anal. Chem. 1996, 68, 3945-3950.
Pontén E., Viklund C., Irgum K., Bogen S.T., Nson Lindgren, Å.
Solid phase chemiluminescence detection reactors based on in situ polymerized methacrylate materials.
Anal. Chem. 1996, 68, 4389-4396.
Åberg S.
Measurement of uncompensated resistance and double layer capacitance during the course of a dynamic measurement: correction for IR drop and charging currents in arbitrary voltammetric techniques.
J. Electroanal. Chem. 1996, 419, 99-103.
Frech W., Baxter D.C.
Spatial distributions of non-atomic species in graphite furnaces.
Spectrochim. Acta 1996, 51B, 961-972.
Hadgu N., Ohlsson K.E.A., Frech W.
Diffusion vapour transfer modelling for end-capped atomizers. Part 2. Atomizer with open injection port.
Spectrochim, Acta 1996, 51B, 1081-1093.
Dedina J., Matousek, T., Frech W.
On-line atomization of selenium hydride in graphite furnaces: estimate of atomic absorption coefficient and spectroscopic temperature.
Spectrochim. Acta 1996, 51B, 1107-1119.
Berglund M.
The importance of the rollover absorbance and the Zeeman sensitivity ratio related coefficient for the accuracy in linearization of calibration curves in electrothermal atomic absorption spectrometry with Zeeman effect background correction.
Spectrochim. Acta 1996, 51B, 429-439.
Lindholm-Sethson B.
Electrochemistry at ultrathin organic films at planar gold electrodes.
Langmuir 1996, 12, 3305-3314.
Frech W.
Recent developments in atomizers for electrothermal atomic absorption spectrometry.
Fresenius J. Anal. Chem. 1996, 355, 475-486.
Emteborg H., Sinemus H-W., Radziuk B., Baxter D.C., Frech W.
Gas chromatography coupled with atomic absorption spectrometry - a sensitive instrumentation for mercury speciation.
Spectrochim. Acta 1996, 51B, 829-837.
Hyytiäinen M., Appelblad P., Pontén E., Stigbrand M., Irgum K., Jaegfeldt H.
Trifluoromethanesulfonic acid as a catalyst for the formation of dansylhydrazone derivatives.
J. Chromatogr. 1996, 740, 279-283.
Snell J.P., Frech W., Thomassen Y.
Performance improvements in the determination of mercury species in natural gas condensate using an on-line amalgamation trap or solid-phase micro-extraction with capillary gas chromatography-microwave-induced plasma atomic emission spectrometry.
Analyst 1996, 121, 1055-1060.
Pontén E., Appelblad P., Stigbrand M., Irgum K., Nakashima K.
Immobilized 2-(4-hydrazinocarbonylphenyl)-4,5-diphenylimidazole as solid phase luminophore in peroxyoxalate chemiluminescence.
Fresnius J. Anal. Chem. 1996, 356, 84-89.
Pontén E.
Solid Phase Chemiluminescence Detection Reactors for Analytical Flow Systems.
Diss. Umeå universitet, 1996. (ISBN 91-7191-205-3)
Viklund C., Svec F., Fréchet J.M.J., Irgum K.
Monolithic "molded", porous materials with high flow characteristics for separations, catalysis, or solid-phase chemistry: control of porous properties during polymerization.
Chem. Mater. 1996, 8, 744-750.
Frech W., Baxter D.C., Bakke B., Snell J., Thomassen Y.
"Determination and speciation of mercury in natural gases and gas condensates."
Analytical Communications 1996, 33, 7H-9H.
Liu J., Nordberg G.F., Frech W.
"Aluminium accumulation in some tissues of rats with compromised kidney function induced by cadmium-metallothionein."
Pharmacol. & Toxicol. 1996, 78, 289-295.
Reinholdsson F., Briche C., Emteborg H., Baxter D.C., Frech W.
"Determination of mercury species in natural waters."
CANAS ´95 Colloquium Analytische Atomspektroskopie, Ed. B. Welz, Bodenseewerk GmbH, 1996.
Sjögren B., Iregren A., Frech W., Hagman M., Johansson L., Tesarz M., Wennberg A.
"Effects of the nervous system among welders exposed to aluminium and manganese."
Occup. Environ. Med. 1996, 53, 32-40.
Emteborg H., Björklund E., Ödman F., Karlsson F., Mathiasson L., Frech W., Baxter D.C.
"Determination of methylmercury in sediments using supercritical fluid extraction and gas chromatography coupled with microwave-induced plasma atomic emission spectrometry."
Analyst 1996, 121, 19-29.
Sjögren B., Ljunggren K G., Almkvist O., Frech W., Basun H.
"A follow-up study of five cases av aluminosis."
Int. Arch. Occup. Environ. Health 1996, 68, 161-164.
Tjärnhage T.
"Thin polymer and phospholipid films for biosensors. Characterisation with gravimetric electrochemical and optical methods."
Diss. Umeå Universitet, 1996. (ISBN 91-7191-156-1).
Åberg S., Sharp M.
"A theoretical expression for the effect of IR drop on the current response in a potential step experiment."
J. Electroanal. Chem. 1996, 403, 31-38.
Pontén E., Glad B., Stigbrand M., Sjögren A., Irgum K.
"Non-porous spherical polymer particles for luminescent solid phase detection reactors."
Anal. Chim. Acta 1996, 320, 87-97.
Cedergren A.
"Determination of kinetics of the Karl Fischer reaction based on coulometry and true potentiometry."
Anal. Chem. 1996, 68, 784-791.
Lukkari I.
"Flow injection systems for process analytical chemistry."
Diss. Umeå universitet, 1996. (ISBN 91-7191-130-8).
Frech W., Baxter D.C.
"Electrothermal atomic absorption spectrometry."
Encyclopedia of Analytical Science, Academic Press, 1995, pp 228-236.
Pontén E., Stigbrand M., Irgum K.
"Immobilized amino aromatics for solid-phase detection using imidazole-mediated bis(trichlorophenyl) oxalate chemiluminescence."
Anal. Chem. 1995, 67, 4302-4308.
Lukkari I., Irgum K., Lindgren P., Lidén J.
"On-line determination of pyrocatechol, protocatechuic acid, pyrogallol and gallic acid in black liquor by sequential injection and high-performance liquid chromatography."
Process Control and Qual. 1995, 7, 185-193.
Ohlsson K.E.A., Hieftje G.M.
"Atomization of carbon containing species in the inductively coupled plasma."
Spectrochim. Acta 1995, 50B, 1805-1822.
Tjärnhage T., Skårman B., Lindholm-Sethson B., Sharp M.
"Electrochemical quartz crystal microbalance studies of thin poly(4-vinylpyridine) films containing IrCl₆^2-/3- redox sites."
Electrochim. Acta 1996, 41, 367-375.
Frech W., Baxter D.C., Dyvik G., Dybdahl B.
"On the determination of total mercury in natural gases using the amalgamation technique and cold vapour atomic absorption spectrometry."
J. Anal. At. Spectrom. 1995, 10, 769-775.
Johansson M., Baxter D.C., Frech W.
"Signal-to-noise for coupled gas chromatography - atomic absorption spectrometry using quartz tube atomizers."
J. Anal. At. Spectrom. 1995, 10, 711-720.
Sunesson A-L.
"Volatile metabolites from microorganisms in indoor environments - sampling, analysis and identification."
Diss. Umeå universitet, 1995. (ISBN 91-7191-102-2).
Hadgu N., Ohlsson, K.E., Frech W.
"Diffusion vapour transfer modelling for an end-capped atomizer. Part 1. Atomizer with closed injection port."
Spectrochim. Acta 1995, 50B, 1077-1093.
Emteborg H.
"Speciation of mercury in environmental and biological matrices at ultra-trace levels based on capillary gas chromatography and atomic spectrometry."
Diss. Umeå universitet, 1995. (ISBN 91-7191-104-9)
Baxter D.C., Frech F.
"Electrothermal atomic emission spectrometry."
Spectrochim. Acta 1995, 50B, 655-706.
Berglund M., Baxter D.C.
"Test of the generalized standard addition method and linearization algorithms for the direct, simultaneous, multi-element analysis of solid samples by electrothermal atomic absorption spectrometry."
Mikrochim. Acta 1995, 119, 311-322.
Kussak A.
"Development of methods for determining aflatoxins in biological material."
Diss. Umeå University, 1995. (ISBN 91-7191-071-9).
Ohlsson P-Å., Tjärnhage T., Herbai E., Löfås S., Puu G.
"Liposome and proteoliposome fusion onto solid substrates studied using atomic force microscopy, quartz crystal microbalance and surface plasmon resonance. Biological activities of incorporated components."
Bioelectrochem. Bioenerg. 1995, 38, 137-148.
Lindholm-Sethson B., Tjärnhage T., Sharp M.
"On the measurement of pseudocapacitances in thin polymer films on electrode surfaces."
Electrochim. Acta 1995, 40, 1675-1679.
Glad B., Irgum K.
"Influence of monomer functionality on the formation and ion exchange properties of methacrylate-based interpenetrating polymer network type membranes."
J. Membrane Sci. 1995, 101, 53-59.
Sharp M., Larsson H.
"Studies of the temperature dependence of charge propagation rates in quaternized poly(4-vinylpyridine) polymers containing electrostatically bound and coordinated redox sites."
J. Electroanal. Chem. 1995, 386, 189-195.
Glad B., Irgum K., Hörstedt P.
"Photopolymerization and characterization of methacrytale-based reactive composite membranes."
J. Membrane Sci. 1995, 100, 171-179.
Johansson M., Berglöf T., Baxter D.C., Frech W.
"Supercritical fluid extraction of ionic alkyllead species from sediment and urban dust."
Analyst 1995, 120, 755-759.
Lindholm-Sethson B., Åberg S.
"Reorganization and collapse of a C18-ferrocenecarboxamine Langmuir monolayer."
Langmuir 1995, 11, 1244-1251.
Baxter D.B., Frech W.
"Speciation of lead in environmental and biological samples."
Pure & Appl. Chem. 1995, 67, 615-648.
Berglund M.
"Towards multielement electrothermal atomic absorption spectrometry."
Diss. Umeå University, 1995. (ISBN 91-7191-023-9).
Orädd C., Cedergren A.
"Coulometric study of recovery rates for Karl Fischer titration of water in aldehydes and ketones using rapidly reacting methanolic and 2-methoxyethanolic reagents."
Anal. Chem., 1995, 67, 999-1004.
Johansson M., Emteborg H., Glad B., Reinholdsson F., Baxter D.C.
"Preliminary appraisal of a novel sampling and storage technique for the speciation analysis of lead and mercury in seawater."
Fresenius J. Anal. Chem. 1995, 351, 461-466.
Emteborg H., Baxter D.C., Sharp M., Frech W.
"Evaluation, mechanism and application of solid-phase extraction using a dithiocarbamate resin for the sampling and determination of mercury species in humic-rich natural waters. "
Analyst 1995, 120, 69-77.
Larsson H., Sharp M.
"Charge propagation in [Os(bpy)2(PVP)xCl]Cl polymers. An example of mean field behaviour in a system with constrained diffusion of redox sites?"
J. Electroanal. Chem. 1995, 381, 133-142.
Gunneriusson L., Baxter D., Emteborg H.
"Complexation at low concentrations of methyl and inorganic mercury(II) to a hydrous goethite (a-FeOOH) surface."
J. Colloid Interface Sci. 1995, 169, 262-266.
Orädd C., Cedergren A.
"Reaction rates of water in imidazole-buffered methanolic Karl Fischer reagents."
Anal. Chem. 1994, 33, 2603-2607
Kärrholm J., Frech W., Nilsson K-G., Snorrason F.
"Increased metal release from cemented femoral components made of titanium alloy."
Acta Orthop. Scand. 1994, 65, 599-604.
Glad B., Irgum K.
"Functional membranes for flow buffering."
Anal. Chim. Acta 1994, 298, 151-157.
Glad B.
"Reactive composite membranes for analytical chemistry. Synthesis, functionalization, and characterization of novel interpenetrating polymer network type materials."
Diss. Umeå universitet, 1994, 130 s. (ISBN 91-7174-964-0).
Larsson H.
"Electron transport in quaternized cross-linked poly(4-vinylpyridine) films containing trapped redox molecules. Experimental and theoretical aspects that concern identification of electron translation mechanisms."
Diss. Umeå universitet, 1994, 136 s. (ISBN 91-7174-927-6).
Orädd C.
"A coulometric study of stoichiometry, kinetics and interference effects in the Karl Fischer reaction for water determinations."
Diss. Umeå universitet, 1994, 104 s. (ISBN 91-7174-912-8).
Genborg Å.
"Studies of charge mediation and redox thermodynamics in electroactive polymer films on electrode surfaces. "
Fil. lic. avhandling, Umeå universitet, 1994, 38 s.
Genborg Å., Sharp M.
"Thermodynamic studies of redox reactions in poly(styrenesulphonate) and Nafion* films."
J. Electroanal. Chem. 1994, 368, 241-249.
Sjögren B., Iregren A., Frech W., Hagman M., Johansson L., Tesarz M., Wennberg, A.
"Påverkan på nervsystemet hos svetsare exponerade för aluminium eller mangan."
Arbete och Hälsa 1994:27.
Sjögren B., Ljunggren K.G., Almkvist O., Frech W., Basun H.
"Aluminosis and dementia."
The Lancet 1994, 344, 1154.
Cedergren A., Orädd, C.
"Coulometric study of the influence of aldehydes and ketones on the Karl Fischer titration of water using standard pyridine/methanol reagents."
Anal. Chem. 1994, 66, 2010-2016.
Hadgu N., Frech W.
"Performance of side-heated graphite atomizers in atomic absorption spectrometry using tubes with end caps."
Spectrochim. Acta 1994, 49B, 445-457.
Stigbrand M., Pontén E., Irgum K.
"1,1´- Oxalyldiimidazole as chemiluminescence reagent in the determination of low hydrogen peroxide concentrations by flow injection analysis."
Anal. Chem. 1994, 66, 1766-1770.
Emteborg H., Hadgu N., Baxter D.C.
"Quality control of a recently developed analytical method for the simultaneous determination of methylmercury and inorganic mercury in environmental and biological samples"
J. Anal. At. Spectrom. 1994, 9, 297-302.
Karlsson A., Irgum K., Lindgren P.
"Trace-level standard for gaseous nitric acid based on sublimation of ammonium nitrate."
Atmospheric Environment 1994, 28, 1083-1087.
Larsson H.
"Ellipsometric determinations of the thicknesses of dry and electrolyte-immersed poly(4-vinylpyridine) films containing coordinated light-absorbing [Os(bpy)2pvpCl-]2+/+ redox groups."
J. Electroanal. Chem. 1994, 365, 229-237.
Tjärnhage T., Sharp M.
"The use of a quartz crystal microbalance combined with ellipsometry and cyclic voltammetry for determining some basic characteristics of an electroactive polymer film. "
Electrochim. Acta 1994, 39, 623-628.

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Last updated July 3, 1997 by kim@chem.umu.se

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