Plsr Validation
Mostrando 1-5 de 5 artigos, teses e dissertações.
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1. Digital Soil Mapping of Soil Properties in the “Mar de Morros” Environment Using Spectral Data
ABSTRACT Quantification of soil properties is essential for better understanding of the environment and better soil management. The conventional techniques of laboratory analysis are sometimes costly and detrimental to the environment. Thus, development of new techniques for soil analysis that do not generate residues, such as spectroscopy, is increasingly n
Rev. Bras. Ciênc. Solo. Publicado em: 07/01/2019
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2. Real time and in situ Near-Infrared Spectroscopy (Nirs) for Quantitative Monitoring of Biomass, Glucose, Ethanol and Glycerine concentrations in an alcoholic fermentation
Abstract This study investigates the application of NIR spectroscopy for real-time monitoring of process parameters in alcoholic fermentations. For this purpose, fermentation batches using Saccharomyces cerevisiae were carried out and monitored in situ by an immersed NIRS probe. Samples were collected throughout the fermentations, and concentrations of bioma
Braz. J. Chem. Eng.. Publicado em: 2017-04
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3. Determinação simultânea de ácido kójico e hidroquinona por espectrofotometria visível e calibração multivariada
A multivariate spectrophotometric method was developed for analysis of kojic acid/hydroquinone associations in skin whitening cosmetics. The method is based on the reaction between kojic acid and Fe3+ and on the reduction of Fe3+ by hydroquinone and further complexation of Fe2+ with 1,10-phenanthroline. The multivariate model was developed by Partial Least S
Química Nova. Publicado em: 2011
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4. Desenvolvimento de metodologia espectrofotométrica multivariada para o controle de qualidade da associação acido kojico e hidroquinona em dermocosméticos
O Ácido Kójico (AK) e a Hidroquinona (HQ) são agentes despigmentantes freqüentemente comercializados em associações dermocosméticas de manipulação magistral, utilizadas no tratamento de discromias. A necessidade de metodologias analíticas de baixo custo que viabilizem o controle de qualidade dessa associação é evidente. Em função de caracterí
Publicado em: 2010
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5. DETERMINAÇÃO DE AÇÚCARES SIMPLES, ÁCIDO MÁLICO E COMPOSTOS FENÓLICOS TOTAIS EM BAGAÇO DE MAÇÃ POR ESPECTROSCOPIA NO INFRAVERMELHO E MÉTODO DE CALIBRAÇÃO MULTIVARIADA
The agro industry of the apple generates, during the processing, the pomace which is considered the main by-product. Studies show that of the total amount of fruit that is processed to obtain the apple juice, 20 to 40 correspond to this by-product, which, is usually destined as a complement in animal feed or delivered onto the soil as organic fertilizer. The
Publicado em: 2008