Essays about: "determination spectrophotometric"

Found 3 essays containing the words determination spectrophotometric.

  1. 1. 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 miljöteknik

    Author : Paula Lundberg; [2017]
    Keywords : Sulfidic mine waste; Sulfide oxidation; Water quality; Environmental analytical chemistry; Iron redox speciation;

    Abstract : 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

  3. 2. Quantitative determination of cerebrospinal fluid bilirubin on a high throughput chemistry analyzer

    University essay from Institutionen för medicinsk biokemi och mikrobiologi

    Author : Degmo Said Ahmed; [2009]
    Keywords : Bilirubin; Cerebrospinal Fluid; Diagnosis; Humans; Subarachnoid Hemorrhage;

    Abstract : Background Subarachnoid hemorrhage is a condition with high rates of mortality and morbidity. The diagnosis requires an urgent cerebral computed tomography scan and also a lumbar puncture if the scan fails to demonstrate intracranial blood. READ MORE

  4. 3. Measurement of ethanol in microdialysis samples by means of enzymatic assay using alcohol dehydrogenase and NAD

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Shahin Ghoncheh; [2008]
    Keywords : alcohol dehydrogenase; ethanol; four-parameter logistic model; microdialysis; blood flow changes;

    Abstract : The enzymatic method for ethanol measurement can detect very low concentration of ethanol at samples, consequently it can’t be applied for samples with high concentration and implies as very sensitive method at limited range of detection.The alcohol dehydrogenase method is based on oxidation of alcohol in the presence of ADH as enzyme and NAD+ as coenzyme and formation of acetaldehyde and NADH that can be monitored by spectrophotometric measurement at 334,340 or 365 nm wavelengths. READ MORE