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51

Sorption of aqueous antimony and arsenic species onto akaganeite

F. Kolbe, H. Weiss, P. Morgenstern, R. Wennrich, W. Lorenz, K. Schurk, H. Stanjek, B. Daus

Journal:

Journal of Colloid and Interface Science

Year:

2011

Language:

english

File:

PDF, 399 KB

english, 2011

52

Validation of an X-ray methodology with environmental concern

P. Morgenstern, L. Brüggemann, R. Wennrich

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2004

Language:

english

File:

PDF, 200 KB

english, 2004

53

Effect of the sample matrix on measurement uncertainty in X-ray fluorescence analysis

P. Morgenstern, L. Brüggemann, R. Wennrich

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2005

Language:

english

File:

PDF, 135 KB

english, 2005

54

Application of stir bar sorptive extraction in combination with column liquid chromatography for the determination of polycyclic aromatic hydrocarbons in water samples

Peter Popp, Coretta Bauer, Luise Wennrich

Journal:

Analytica Chimica Acta

Year:

2001

Language:

english

File:

PDF, 134 KB

english, 2001

55

Study of the composite electrodes carbon–polyvinyl chloride and carbon–polyvinyl chloride/Nafion by ex situ and in situ methods

M.M Dávila, M.P Elizalde, J Mattusch, R Wennrich

Journal:

Electrochimica Acta

Year:

2001

Language:

english

File:

PDF, 609 KB

english, 2001

56

Evaluation of extraction procedures for the ion chromatographic determination of arsenic species in plant materials

Anne-Christine Schmidt, Werner Reisser, Jürgen Mattusch, Peter Popp, Rainer Wennrich

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 393 KB

english, 2000

57

Separation of unmodified polystyrene nanosphere standards by capillary zone electrophoresis

Natalia G Vanifatova, Boris Ya Spivakov, Juergen Mattusch, Rainer Wennrich

Journal:

Journal of Chromatography A

Year:

2000

Language:

english

File:

PDF, 126 KB

english, 2000

58

Desorptions- und eichvorrichtung zur spurenanalyse von organischen luftinhaltsstoffen mittels adsorptiver anreicherung und kapillar-gaschromatographie

L. Wennrich, T. Welsch, W. Engewald

Journal:

Journal of Chromatography A

Year:

1982

File:

PDF, 549 KB

1982

59

Selective enrichment of sulfides, thiols and methylthiophosphates from water samples on metal-loaded cation-exchange materials for gas chromatographic analysis

K. Beiner, P. Popp, R. Wennrich

Journal:

Journal of Chromatography A

Year:

2002

Language:

english

File:

PDF, 137 KB

english, 2002

60

Investigation of phosphorus release from different compounds in electrothermal vaporization inductively coupled plasma atomic emission spectrometry in the absence and presence of modifiers and its application to plant analysis

Antje Mroczek, Rainer Wennrich, Gerhard Werner, Werner Schrön

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2000

Language:

english

File:

PDF, 188 KB

english, 2000

61

Low-temperature transformations of sodium sulfate and sodium selenite in the presence of pre-reduced palladium modifier in graphite furnaces for electrothermal atomic absorption spectrometry

Anatoly B. Volynsky, Alexandr Yu. Stakheev, Natalia S. Telegina, Valery G. Senin, Leonid M. Kustov, Rainer Wennrich

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2001

Language:

english

File:

PDF, 733 KB

english, 2001

62

Mechanisms of the action of platinum metal modifiers in electrothermal atomic absorption spectrometry: aims and existing approaches

Anatoly B. Volynsky, Rainer Wennrich

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2002

Language:

english

File:

PDF, 230 KB

english, 2002

63

On the use of noble metals modifiers for simultaneous determination of As, Sb and Se by electrothermal atomic absorption spectrometry

E. Kopyść, E. Bulska, R. Wennrich

Journal:

Spectrochimica Acta Part B: Atomic Spectroscopy

Year:

2003

Language:

english

File:

PDF, 894 KB

english, 2003

64

Adsorption of metal cations from aqueous solution onto a natural and a model biocomposite

M.M. Dávila-Jiménez, Marı́a P. Elizalde-González, W. Geyer, J. Mattusch, R. Wennrich

Journal:

Colloids and Surfaces A: Physicochemical and Engineering Aspects

Year:

2003

Language:

english

File:

PDF, 342 KB

english, 2003

65

Sorption on natural solids for arsenic removal

M.P. Elizalde-González, J. Mattusch, W.-D. Einicke, R. Wennrich

Journal:

Chemical Engineering Journal

Year:

2001

Language:

english

File:

PDF, 413 KB

english, 2001

66

Uptake of arsenite and arsenate by clinoptilolite-rich tuffs

Marı́a P. Elizalde-González, Jürgen Mattusch, Rainer Wennrich, Peter Morgenstern

Journal:

Microporous and Mesoporous Materials

Year:

2001

Language:

english

File:

PDF, 813 KB

english, 2001

67

Zinc and cadmium plasma and erythrocyte levels in prostatic carcinoma, BPH, urological malignancies, and inflammations

Dr. A. Feustel, R. Wennrich

Journal:

Year:

1986

Language:

english

File:

PDF, 325 KB

english, 1986

68

Zinc, cadmium and selenium concentrations in separated epithelium and stroma from prostatic tissues of different histology

A. Feustel, R. Wennrich, H. Dittrich

Journal:

Year:

1987

Language:

english

File:

PDF, 235 KB

english, 1987

69

Zinc and cadmium concentration in prostatic carcinoma of different histological grading in comparison to normal prostate tissue and adenofibromyomatosis (BPH)

A. Feustel, R. Wennrich, D. Steiniger, P. Klauss

Journal:

Year:

1982

Language:

english

File:

PDF, 282 KB

english, 1982

70

Determination of the distribution of Zinc and Cadmium in cellular fractions of BPH, normal prostate and prostatic cancers of different histologies by atomic and laser absorption spectrometry in tissue slices

A. Feustel, R. Wennrich

Journal:

Year:

1984

Language:

english

File:

PDF, 336 KB

english, 1984

71

Zinc and cadmium in cell fractions of prostatic cancer tissues of different histological grading in comparsion to BPH and normal prostate

A. Feustel, R. Wennrich

Journal:

Year:

1984

Language:

english

File:

PDF, 326 KB

english, 1984

72

Studies of Cd, Zn and Cu levels in human kidney tumours and normal kidney

A. Feustel, R. Wennrich, M. Dittrich

Journal:

Year:

1986

Language:

english

File:

PDF, 306 KB

english, 1986

73

Serum-Zn-levels in prostatic cancer

A. Feustel, R. Wennrich, B. Schmidt

Journal:

Year:

1989

Language:

english

File:

PDF, 179 KB

english, 1989

74

Investigations of trace elements in metastases and primary carcinoma of the prostate

A. Feustel, R. Wennrich, H. Dittrich

Journal:

Year:

1989

Language:

english

File:

PDF, 214 KB

english, 1989

75

Gaschromatographische Untersuchung der Adsorptionseigenschaften von Silicalit und ZSM-5

Luise Wennrich, Werner Engewald, Hansjörg Herden

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1985

File:

PDF, 451 KB

1985

76

Untersuchungen zur analytischen Bestimmung von Cadmium in anorganischen Mikroproben durch Atomfluoreszenz mit elektrothermischer Atomisierung

Klaus Dittrich, Rainer Wennrich

Journal:

Microchimica Acta

Year:

1977

Language:

german

File:

PDF, 470 KB

german, 1977

77

Determination of organochlorine pesticides and chlorobenzenes in fruit and vegetables using subcritical water extraction combined with sorptive enrichment and CGC-MS

L. Wennrich, P. Popp, J. Breuste

Journal:

Chromatographia

Year:

2001

Language:

english

File:

PDF, 965 KB

english, 2001

78

Analysis of organophosphorus insecticides in natural waters by use of stir-bar-sorptive extraction then gas chromatography with atomic emission detection

S. Mothes, P. Popp, R. Wennrich

Journal:

Chromatographia

Year:

2003

Language:

english

File:

PDF, 365 KB

english, 2003

79

Determination of highly polar compounds in water samples around former ammunition plants

U. Lewin, L. Wennrich, J. Efer, W. Engewald

Journal:

Chromatographia

Year:

1997

Language:

english

File:

PDF, 830 KB

english, 1997

80

Investigation of the degradation of arsenobetaine during its contact with natural zeolites and the identification of metabolites using HPLC coupled with ICP-MS and ESI-MS

Jürgen Mattusch, Daniela Möller, Maria P. Elizalde González, Rainer Wennrich

Journal:

Analytical and Bioanalytical Chemistry

Year:

2008

Language:

english

File:

PDF, 205 KB

english, 2008

81

A new approach for calibration of laser ablation inductively coupled plasma mass spectrometry using thin layers of spiked agarose gels as references

H.-J. Stärk, Rainer Wennrich

Journal:

Analytical and Bioanalytical Chemistry

Year:

2011

Language:

english

File:

PDF, 264 KB

english, 2011

82

Determination of arsenic species in water, soils and plants

J. Mattusch, R. Wennrich, A. -C. Schmidt, W. Reisser

Journal:

Analytical and Bioanalytical Chemistry

Year:

2000

Language:

english

File:

PDF, 372 KB

english, 2000

83

Analysis of nitrophenols and other polar nitroaromatic compounds in ammunition wastewater by high-field proton nuclear magnetic resonance (1H-NMR) spectroscopy and chromatographic methods

A. Preiß, U. Lewin, L. Wennrich, M. Findeisen, J. Efer

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 230 KB

english, 1997

84

Size and phase fractionation of water components by membrane filtration Distribution patterns for arsenic, iron and manganese in aqueous effluents of tin ore settling plant

R. Wennrich, J. Mattusch, P. Morgenstern, T. G. Dzherayan, V. M. Shkinev, B. Y. Spivakov

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 99 KB

english, 1997

85

Investigation of the IC-ICP-MS determination of iodine species with reference to sample digestion procedures

H.-J. Stärk, J. Mattusch, R. Wennrich, A. Mroczek

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 43 KB

english, 1997

86

An investigation of different modifiers in electrothermal vaporization inductively coupled plasma mass spectrometry (ETV-ICP-MS)

K. Grünke, H.-J. Stärk, R. Wennrich, H. M. Ortner, J. A. C. Broekaert

Journal:

Analytical and Bioanalytical Chemistry

Year:

1997

Language:

english

File:

PDF, 90 KB

english, 1997

87

Investigation of sulfur release in ETV-ICP-AES and its application for the determination of sulfates

Antje Mroczek, Gerhard Werner, R. Wennrich, Werner Schrön

Journal:

Analytical and Bioanalytical Chemistry

Year:

1998

Language:

english

File:

PDF, 188 KB

english, 1998

88

Separation of organic and inorganic arsenic species by HPLC-ICP-MS

Susan Londesborough, J. Mattusch, Rainer Wennrich

Journal:

Analytical and Bioanalytical Chemistry

Year:

1999

Language:

english

File:

PDF, 92 KB

english, 1999

89

Species-specific isotope-ratio measurements of volatile tin and antimony compounds using capillary GC–ICP–time-of-flight MS

Karsten Haas, J. Feldmann, Rainer Wennrich, Hans-Joachim Stärk

Journal:

Analytical and Bioanalytical Chemistry

Year:

2001

Language:

english

File:

PDF, 264 KB

english, 2001

90

Bioleaching of heavy metal-contaminated sediments by indigenousThiobacillusspp: metal solubilization and sulfur oxidation in the presence of surfactants

H. Seidel, J. Ondruschka, P. Morgenstern, R. Wennrich, P. Hoffmann

Journal:

Applied Microbiology and Biotechnology

Year:

2000

Language:

english

File:

PDF, 92 KB

english, 2000

91

Characterization of sediments in an abandoned mining area; a case study of Mansfeld region, Germany

Rainer Wennrich, Jürgen Mattusch, Peter Morgenstern, Klaus Freyer, Hanns-Christian Treutler, Hans-Joachim Stärk, Lutz Brüggemann, Albrecht Paschke, Birgit Daus, Holger Weiss

Journal:

Environmental Geology

Year:

2004

Language:

english

File:

PDF, 506 KB

english, 2004

92

Late Glacial and Holocene history of former Salziger See, Central Germany, and its climatic and environmental implications

V. Wennrich, B. Wagner, M. Melles, P. Morgenstern

Journal:

International Journal of Earth Sciences

Year:

2005

Language:

english

File:

PDF, 609 KB

english, 2005

93

Arsenic Speciation Analysis in Solutions Treated with Zeolites

María P. Elizalde-González, Jürgen Mattusch, Rainer Wennrich

Journal:

Microchimica Acta

Year:

2005

Language:

english

File:

PDF, 160 KB

english, 2005

94

Arsenic Speciation in Plant Samples from the Iron Quadrangle, Minas Gerais, Brazil

Birgit Daus, Rainer Wennrich, Peter Morgenstern, Holger Weiß, Helena Eugênia Leonhardt Palmieri, Hermínio Arias Nalini, Liliam Viana Leonel, Roberto Pellacani Guedes Monteiro, Rubens Martins Moreira

Journal:

Microchimica Acta

Year:

2005

Language:

english

File:

PDF, 122 KB

english, 2005

95

Distribution of Arsenic Species in Different Leaf Fractions – An Evaluation of the Biochemical Deposition of Arsenic in Plant Cells

Anne-Christine Schmidt, Jürgen Mattusch, Rainer Wennrich

Journal:

Microchimica Acta

Year:

2005

Language:

english

File:

PDF, 233 KB

english, 2005

96

Novel Analytical Methodologies for the Determination of Arsenic and Other Metalloid Species in Solids, Liquids and Gases

Jürgen Mattusch, Rainer Wennrich

Journal:

Microchimica Acta

Year:

2005

Language:

english

File:

PDF, 74 KB

english, 2005

97

Coupling of SPME and GC-AED for the Determination of Organometallic Compounds

Sibylle Mothes, Rainer Wennrich

Journal:

Microchimica Acta

Year:

2000

Language:

english

File:

PDF, 73 KB

english, 2000

98

Evaluation of measurement uncertainty for analytical procedures using a linear calibration function

L. Brüggemann, Rainer Wennrich

Journal:

Accreditation and Quality Assurance

Year:

2002

Language:

english

File:

PDF, 55 KB

english, 2002

99

Validation steps for traceability of linear calibrated chemical measurements

L. Brüggemann, R. Wennrich

Journal:

Accreditation and Quality Assurance

Year:

2004

Language:

english

File:

PDF, 217 KB

english, 2004

100

Comparison of regression techniques for linear calibration

L. Brüggemann, P. Morgenstern, R. Wennrich

Journal:

Accreditation and Quality Assurance

Year:

2005

Language:

english

File:

PDF, 287 KB

english, 2005