Analytical Letters, Volume 23, Issue 4 (1990)

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Analytical Letters, Volume 23, Issue 4 (1990)

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BIOSENSORS

Article
Amperometric Determination of Hypoxanthine and Inosine by Use of Enzyme Sensors Based on a Clark-Type Hydrogen Peroxide or Oxygen Electrode
Stephan D. Haemmerli, Ahmad A. Suleiman & George G. Guilbault
Pages: 577-588
Published online: 23 Oct 2006
AbstractforAmperometric Determination of Hypoxanthine and Inosine by Use of Enzyme Sensors Based on a Clark-Type Hydrogen Peroxide or Oxygen Electrode | References | PDF (406.4 KB)
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Article
A Sensitive Enzyme Electrode for Phenol Monitoring
Juozas Kulys & Rolf D. Schmid
Pages: 589-597
Published online: 23 Oct 2006
AbstractforA Sensitive Enzyme Electrode for Phenol Monitoring | References | PDF (244.1 KB)
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PHARMACEUTICAL ANALYSIS

Article
Simultaneous High-Performance Liquid Chromatographic Determination of Furazolidone and Nifuroxime in Dosage Forms
S. M. Hassan, F. A. Ibrahim & M. M. Hefnawy
Pages: 599-606
Published online: 23 Oct 2006
AbstractforSimultaneous High-Performance Liquid Chromatographic Determination of Furazolidone and Nifuroxime in Dosage Forms | References | PDF (206.5 KB)
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Article
Rapid Determination of Sulfathiazole, Oxytetracycline and Tetracycline in Honey by High-Performance Liquid Chromatography
T. Galeano Diaz, A. Guiberteau Cabanillas & F. Salinas
Pages: 607-616
Published online: 23 Oct 2006
AbstractforRapid Determination of Sulfathiazole, Oxytetracycline and Tetracycline in Honey by High-Performance Liquid Chromatography | References | PDF (284.3 KB)
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Article
Utility of Certain π-Acceptors for the Spectrophotometric Determination of Isoniazid
Hoda Y. Hassan, Abdel-Maboud I. Mohamed & Fardos A. Mohamed
Pages: 617-625
Published online: 23 Oct 2006
AbstractforUtility of Certain π-Acceptors for the Spectrophotometric Determination of Isoniazid | References | PDF (287 KB)
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Article
Determination of Flurbiprofen in Aqueous Humor of Human by High Performance Liquid Chromatography
S. Kumbhat & N. K. Mathur
Pages: 627-634
Published online: 23 Oct 2006
AbstractforDetermination of Flurbiprofen in Aqueous Humor of Human by High Performance Liquid Chromatography | References | PDF (194.1 KB)
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SEPARATIONS

Article
Reversed Phase Extraction Chromatographic Separation of Lead with Bis (2-Ethyl Hexyl) Phosphoric Acid
Yi Yu Vin & S. M. Khopkar
Pages: 635-647
Published online: 23 Oct 2006
AbstractforReversed Phase Extraction Chromatographic Separation of Lead with Bis (2-Ethyl Hexyl) Phosphoric Acid | References | PDF (318.4 KB)
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Article
A Practical Scheme for the GC Analysis of Pyridine Hydrodenitrogenation Reaction Products
S. Rajagopal, T. L. Grimm, D. J. Collins & R. Miranda
Pages: 649-657
Published online: 23 Oct 2006
AbstractforA Practical Scheme for the GC Analysis of Pyridine Hydrodenitrogenation Reaction Products | References | PDF (278.1 KB)
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Article
Synthesis of Trithiocarbonate and Dithiocarbamate Containing Resins and Their Application in Metal Ion Extraction
Wing Hong Chan, Albert Wai Ming Lee, Wai Kin Choi, Jason Chi Shun Wong & Kwok Keung Fung
Pages: 659-674
Published online: 23 Oct 2006
AbstractforSynthesis of Trithiocarbonate and Dithiocarbamate Containing Resins and Their Application in Metal Ion Extraction | References | PDF (400.4 KB)
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Article
Extractable Sulphate-Sulphur, Total Sulphur and Trace-Element Determinations in Plant Material by Flow Injection Analysis Part II. Total Sulphur and Copper, Zinc, Manganese and Iron in Plant Material
D. L. Heanes
Pages: 675-702
Published online: 23 Oct 2006
AbstractforExtractable Sulphate-Sulphur, Total Sulphur and Trace-Element Determinations in Plant Material by Flow Injection Analysis Part II. Total Sulphur and Copper, Zinc, Manganese and Iron in Plant Material | References | PDF (770.8 KB)
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SPECTROMETRY

Article
Trace Analysis by Direct Spectrophotometric Measurements on Polyurethane Foam. Determination of Chromium (VI) as Blue Perchromic Acid with Unloaded & Tri-n-Butylphosphate Loaded Foam
A. M. El-wakil, M. S. El-shahawi & A. B. Farag
Pages: 703-717
Published online: 23 Oct 2006
AbstractforTrace Analysis by Direct Spectrophotometric Measurements on Polyurethane Foam. Determination of Chromium (VI) as Blue Perchromic Acid with Unloaded & Tri-n-Butylphosphate Loaded Foam | References | PDF (386.7 KB)
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Article
Determination of Surfactants Using Ion Pair Extraction of Near-infrared Laser Dyes
M. Alexandra Roberson, Daniel Andrews-wilberforce, Diane C. Norris & Gabor Patonay
Pages: 719-734
Published online: 23 Oct 2006
AbstractforDetermination of Surfactants Using Ion Pair Extraction of Near-infrared Laser Dyes | References | PDF (554.7 KB)
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ENVIRONMENTAL ANALYSIS

Article
On the Synthesis and Mass-Spectroscopical Identification of Certain Polyhalogenated Acetic Acids
Hans Zimmer, Adel Amer & Mourad Rahi
Pages: 735-746
Published online: 23 Oct 2006
AbstractforOn the Synthesis and Mass-Spectroscopical Identification of Certain Polyhalogenated Acetic Acids | References | PDF (382 KB)
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CHEMOMETRICS

Article
Observations on the Computation of Acidity Constants of Two-Step Overlapping Equilibria from the Half Values of the Formation Function
Agustin G. Asuero
Pages: 747-753
Published online: 23 Oct 2006
AbstractforObservations on the Computation of Acidity Constants of Two-Step Overlapping Equilibria from the Half Values of the Formation Function | References | PDF (165 KB)
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Editorials

Editorial
Editorial board page for “Analytical Letters”, Volume 23, Number 4
Pages: a-c
Published online: 23 Oct 2006
AbstractforEditorial board page for “Analytical Letters”, Volume 23, Number 4 | PDF (94.9 KB)
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