Biblioteca Digital

29 resultados para EXTRACTION CHROMATOGRAPHY

em Plymouth Marine Science Electronic Archive (PlyMSEA)

Determination of dimethoate and fenitrothion in estuarine samples by C-18 solid-phase extraction and high-resolution gas-chromatography with nitrogen-phosphorus detection

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Measurement of phytoplankton population by the pigment extraction method

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Differences revealed by paper partition chromatography between the gastropod Nassarius reticulatus (L.) and specimens believed to be N. nitida (Jeffreys)

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Chlorophyll And Carotenoid-Pigments In Foraminifera And Their Symbiotic Algae - Analysis By High-Performance Liquid-Chromatography

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The Rapid-Determination Of Algal Chlorophyll And Carotenoid-Pigments And Their Breakdown Products In Natural-Waters By Reverse-Phase High-Performance Liquid-Chromatography

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Analysis Of Ammonia And Methylamines In Natural-Waters By Flow-Injection Gas-Diffusion Coupled To Ion Chromatography

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Automation Of Flow Injection Gas Diffusion Ion Chromatography For The Nanomolar Determination Of Methylamines And Ammonia In Seawater And Atmospheric Samples

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Identification Of Chlorophyll Transformation Products In Zooplankton Fecal Pellets And Marine Sediment Extracts By Liquid-Chromatography Mass-Spectrometry Atmospheric-Pressure Chemical-Ionization

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Determination Of Atrazine And Simazine In Estuarine Samples By High-Resolution Gas-Chromatography And Nitrogen Selective Detection

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Solid-Phase Extraction Of Triazine Herbicides From Estuarine Samples

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Use Of Oxidative-Degradation Followed By Capillary Gas-Chromatography Mass-Spectrometry And Multidimensional-Scaling Analysis To Fingerprint Unresolved Complex-Mixtures Of Hydrocarbons

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Simultaneous high-precision measurements of methane and nitrous oxide in water and seawater by single phase equilibration gas chromatography

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The application of solid-phase micro-extraction (SPME) to the analysis of polycyclic aromatic hydrocarbons (PAHs)

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Relative performance of immunochemical (enzyme-linked immunosorbent assay) and gas chromatography-electron-capture detection techniques to quantify polychlorinated biphenyls in mussel tissues

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Extraction of a weak climatic signal by an ecosystem

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