Chemometric Analysis
Chemometric Analysis of an Sanitary Landfill Leachate
... The chemometric analysis of the leachate data coming from São Giácomo sanitary landfill in Caxias do Sul, ac- cording the principal components analysis of fourteen physico-chemical parameters ...
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Design of a Virtual Sensor Data Array for the Analysis of RDX, HMX and DMNB Using Metal-Doped Screen Printed Electrodes and Chemometric Analysis
... multivariate analysis (PCA, NIPALS and LDA) and matched with known substances present in ...electrochemical analysis using a solid carbon- based screen printed electrode modified with silver, gold and ...
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An investigation of Digoxin by Cyclic Voltammetry using Gold and Silver Solid Electrodes and Chemometric Analysis
... Environmental issues, due to the toxicity of Hg, must be taken into account as well. Although mercury can be regenerated and reused, disposal of this element poses danger to the operator as well as large costs for ...
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Thermodynamic Characterization of the Aggregation Phenomena of SafranineT by Spectral Titration and Chemometric Analysis
... simultaneous analysis of several matrices has already been shown to be more powerful than the separate individual analysis, and allows improvement of the resolution of complex experimental data ...MCR ...
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Chemometric analysis of biofluids from mice experimentally infected with Schistosoma mansoni
... regression analysis was applied to the spectral data of faecal extracts against the relative concentration of each metabolite in order to characterize the link between these two urinary metabolites and faecal ...
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Chemometric Analysis of Chlorophyll a, b and Carotenoid Content in Green Leafy Vegetables
... Cluster analysis (CA) is a multivariate technique, with the purpose of classifying the objects of the system into categories or clusters based on their similarities (Richard & Dean, ...the analysis of ...
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Quantification of simvastatin in mice plasma by near-infrared and chemometric analysis of spectral data
... Abstract: Time and cost saving is an essential requirement in pharmacokinetics and bioequivalence studies. The aim of this study is to use a simple, fast, and nondestructive near- infrared transmission spectroscopic ...
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Thermodynamic Study of the Ion-Pair Complexation Equilibria of Dye and Surfactant by Spectral Titration and Chemometric Analysis
... Surfactant-dye interactions are very important in chemical and dyeing processes. The dyes interact strongly with surfactant and show new spectrophotometric properties, so the UV-Vis absorption spectrophotometric method ...
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Spectroscopic and Chemometric Analysis of Illegally Manufactured Formulations of Selected Medicines
... The study involved analyzing the above drugs using the portable NIR spectroscopy. Ten adulterated tablets of each of the above drugs were tested along with ten genuine tablets and other ten placebo tablets which ...
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CHEMOMETRIC ANALYSIS OF PARACETAMOL AND METACLOPROMIDE IN BINARY DRUG COMBINATIONS
... The method used to compare the differences between the one-way ANOVA tests was applied to real samples of the drug sample. In this study, F values of Snedecor were calculated and compared with F values (p = 0.05). The ...
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Multivariate Chemometric Analysis of a Polluted River of a Megalopolis
... mixture analysis problem with unknown sources which have to be estimated from the ...Components Analysis (PCA), but PCA decomposition is performed under orthogonal constraints, loadings nor- malization and ...
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A novel exploratory chemometric approach to environmental monitorring by combining block clustering with Partial Least Square (PLS) analysis
... component analysis (PCA) is commonly used for this purpose in environmental research [7,11,12], but does not allow scientists to separate between the predictor and response variables ...factor analysis ...
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New analytical method development, optimization and efficient validation by chemometric approach for marketed formulations.
... by chemometric approaches using UV spectrophotometry as a simple alternative to using separate models for each ...for chemometric analysis of data and the parameters of the chemometric ...
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SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF RABEPRAZOLE SODIUM AND DOMPERIDONE MALEATE IN CAPSULES BY CHEMOMETRIC METHODS
... Digitized UV/VIS absorbency spectra were collected using a UV-visible spectrometer 2300Techcomp with 1cm quartz cells. The data acquisition was made with UV solutions software at a scan rate of 1000nm min−1 and the slit ...
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Spectrophotometric and Chemometric Methods for Simultaneous Determination of Alzheimer’s drugs in Pharmaceutical Tablets
... used chemometric methods are partial least squares regression (PLS) and principal component regression ...for chemometric analysis of donepezil and rivastigmine in synthetic mixtures and ...
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1. Simultaneous determination of drugs used for chronic active gastritis disease by chemometric methods
... spectrophotometric-chemometric analysis of clarithromycin amoxicillin and lansoprazole that are used for the eradication of Helicobacter pylori (HP) was analysis without any prior ...used ...
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SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF DIACEREIN AND CELECOXIB IN CAPSULES BY CHEMOMETRIC METHODS
... Digitized UV/VIS absorbency spectra were collected using a UV-visible spectrometer 2300 Techcomp with 1 cm quartz cells. The data acquisition was made with UV solutions software at a scan rate of 1000 nm min−1 and the ...
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Chemical composition and distribution of the headspace volatiles in commercial culinary herbs and spices: Chemometric approach
... for analysis was done immediately on opening the bags, by measuring the spice into 20-mL headspace vials and subsequently adding 1 mL of distilled water (AM (g) assigns average mass of sample taken for headspace ...
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Design and Optimization of a Chemometric-Assisted Spectrophotometric Determination of Telmisartan and Hydrochlorothiazide in Pharmaceutical Dosage Form
... Two chemometric methods were developed for the simultaneous determination of telmisartan and ...The chemometric methods applied were principal component regression (PCR) and partial least square ...
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Chemometric Simultaneous Estimation of Clopidogrel Bisulphate and Aspirin from Combined Dosage Form
... The zero order UV spectra (fig. 1) of CLP and ASP completely overlap with each other making it impossible to use the conventional spectrophotometric methods to analyze CLP and ASP, in presence of each other. Mathematical ...
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