Essays about: "Environmental analytical chemistry"
Showing result 1 - 5 of 10 essays containing the words Environmental analytical chemistry.
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1. Analysis of fatty acids in fatty acid-based herbicides by gas chromatography
University essay from Lunds universitet/Kemiska institutionenAbstract : Fatty acids-based herbicides are considered to be a green alternative to synthesized weed control products. However, the environmentally sustainable effect of those herbicides needs more investigation to be confirmed. READ MORE
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2. Major and trace element geochemical analysis of norites in the Hakefjorden Complex to constrain magma source and magma plumbing systems
University essay from Lunds universitet/Geologiska institutionenAbstract : Major and trace element data taken from plagioclase crystals from anorthosites and related rock units in the Hakefjorden Complex located off the west coast of Sweden were investigated for the purposes of constraining magma chamber processes and the source of the magma. Although the anorthosite units were completely homogenous in regards to its chemistry, the plagioclase in the associated norite and ilmenite-leuconorite units showed substantial variation. READ MORE
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3. Evaluation of pre-concentration techniques for gas chromatographic determination of low amounts of volatile contaminants and degradation products
University essay fromAbstract : The project investigated the compared two pre-concentration methods, Thermal Desorption System (TDS) coupled to a Thermal Extractor (TE) and Multiple Headspace Injection (MHI) using a Multiple Purpose Sampler (MPS) for detecting volatile amines in solid pharmaceutical products and synthesis precursor chemicals samples. The TDS-TE and MHI extractions are directly injected into a Cold Injection System (CIS). READ MORE
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4. Geochemical processes in mine waste subjected to a changing chemical environment: Fe speciation in leachate water from column experiments
University essay from Luleå tekniska universitet/Geovetenskap och miljöteknikAbstract : Oxidation of sulfidic mine waste is of significant environmental concern due to the consequent formation of acid rock drainage (ARD), deteriorating the water quality of natural water systems. Iron (Fe) and sulfur (S) are two major redox elements involved in these reactions and typically the major redox-sensitive elements (whose solubility, speciation, and mobility are affected by pH and Eh) in water affected by ARD. READ MORE
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5. Direct hollow fibre liquid phase membrane extraction and LC-MS determination of selective serotonin reuptake inhibitors in fish tissue
University essay from Lunds universitet/Kemiska institutionenAbstract : Selective serotonin reuptake inhibitors (SSRIs) have been found in waste water treatment plant effluents and surface water at detectable concentrations. Although the medical effects and side effects of pharmaceuticals and personal care products are investigated through safety and toxicology studies the potential environmental impacts are less studied, and information concerning ecotoxicological risks and the distribution in sludge, surface water and water living organisms is rather scarce. READ MORE
