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Showing result 1 - 5 of 12 essays matching the above criteria.

1. 1. Correcting biological infrared spectroscopy data for atmospheric gases and Mie scattering

   University essay from Lunds universitet/Beräkningsbiologi och biologisk fysik - Genomgår omorganisation

   Author : Stéphan Pissot; [2020]
   Keywords : FTIR; spectroscopy; chemometrics; infrared absorption microscopy; atmospheric correction; scattering correction; Physics and Astronomy;

   Abstract : Infrared absorption microscopy is a powerful chemometric tool with a wide variety of applications. It is, however, subject to considerable disturbances from atmospheric gases and scattering effects. READ MORE

3. 2. Evaluation of Homogeneity in Drug Seizures Using Near-Infrared (NIR) Hyperspectral Imaging and Principal Component Analysis (PCA)

   University essay from Linköpings universitet/Kemi

   Author : Olle Strindlund; [2020]
   Keywords : Homogeneity; drug seizures; pharmaceuticals; NIR hyperspectral imaging; chemometrics; PCA;

   Abstract : The selection of a representative sample is a delicate problem when drug seizures comprised of large number of units arrive at the Swedish National Forensic Centre (NFC). If deviating objects in the selected sample size are found, additional analyzes are required to investigate how representative the results are for the entire population. READ MORE

4. 3. Development and validation of a method for separation of pregabalin and gabapentin capsules using Near Infrared hyperspectral imaging

   University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

   Author : Emelie Persson; [2019]
   Keywords : NIR; hyperspectral imaging; PCA; homogeneity; chemometrics; pregabalin; gabapentin;

   Abstract : Seizures containing large numbers of units of narcotics, goods dangerous to health and doping are often sent to the Swedish National Forensic Centre (NFC). Only a fraction of these capsules or tablets can be analyzed, therefore the samples need to represent the whole seizure. READ MORE

5. 4. NEAR-INFRARED SPECTROSCOPY FOR REFUSE DERIVED FUEL : Classification of waste material components using hyperspectral imaging and feasibility study of inorganic chlorine content quantification

   University essay from Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

   Author : Martin Ševčík; [2019]
   Keywords : near-infrared spectroscopy; NIR; municipal solid waste; MSW; refuse derived fuel; RDF; classification; chemometrics; machine learning; artificial neural network; radial basis neural network; high-temperature corrosion; chlorine; waste to energy;

   Abstract : This degree project focused on examining new possible application of near-infrared (NIR) spectroscopy for quantitative and qualitative characterization of refuse derived fuel (RDF). Particularly, two possible applications were examined as part of the project. READ MORE

6. 5. Determination of fossil share in combustion of waste : Development of a novel method using NIR spectroscopy to predict the content of plastics in RDF-material

   University essay from Mälardalens högskola/Akademin för ekonomi, samhälle och teknik

   Author : Christian Dahl; [2018]
   Keywords : NIR; Near infra-red; spectroscopy; chemometrics; waste material; fossil share;

   Abstract : Incineration of waste materials has become a common way to handle a worldwide increase of produced waste materials. The problem with waste as fuel is that the material is not homogeneous and include a mixture of fossils and renewables. READ MORE