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Colorimetric determination of atmospheric nitrogen dioxide using preconcentration on C-18 cartridge.
(Soc Brasileira Quimica, 2002-05-01)
COLORIMETRIC DETERMINATION OF ATMOSPHERIC NITROGEN DIOXIDE USING PRECONCENTRATION ON C-18 CARTRIDGE, An alternative analytical method for nitrogen dioxide (NO,) in atmosphere was developed. The collection of NO, is performed ...
Método colorimétrico para determinação de dióxido de nitrogênio atmosférico com preconcentração em coluna de C-18
(2002-05-01)
An alternative analytical method for nitrogen dioxide (NO2) in atmosphere was developed. The collection of NO2 is performed by a Sep-Pack C-18 cartridge impregnated with 11% (v/v) of triethanolamine plus 3,6 % (v/v) of ...
Ti-MCM-41 catalysts prepared by post-synthesis methods. Limonene epoxidation with H2O2
(Elsevier Science, 2008-04)
Ti-MCM-41 catalysts were prepared incorporating Ti by post-synthesis methods: wetness and wet impregnation of MCM-41 mesoporous solid. The samples were characterized by XRD at low angle, UV-vis DRS, Raman spectroscopy, ...
Lanthanum cobaltite black pigments with perovskite structure
(2013-05-09)
In this work La1-xCaxCoO3 (x = 0-0.4) pigments were synthesized by the polymeric precursor method with heat treatments at 700, 800 and 900 C for 4 h. The powders were characterized by colorimetry, UV-vis spectroscopy and ...
Lanthanum cobaltite black pigments with perovskite structure
(2013-05-09)
In this work La1-xCaxCoO3 (x = 0-0.4) pigments were synthesized by the polymeric precursor method with heat treatments at 700, 800 and 900 C for 4 h. The powders were characterized by colorimetry, UV-vis spectroscopy and ...
Evaluation between methods for the color measurement in holograms by using a CMOS-RGB camera and a spectrometerEvaluation between methods for the color measurement in holograms by using a CMOS-RGB camera and a spectrometer
(SPIE, 2013-07-22)
Many models and methods commonly used in colorimetry have been incorporated to the study and knowledge of the colorimetric properties in the reflection color holograms; these methods have reported the possibilities of color ...
Accuracy of different methods for blood glucose measurement in critically ill patients
(Associação Paulista de Medicina - APM, 2009-09-01)
CONTEXT AND OBJECTIVE: Although glucometers have not been validated for intensive care units, they are regularly used. The aim of this study was to compare and assess the accuracy and clinical agreement of arterial glucose ...
Disfunção na atividade da citocromo c oxidase (Cox) mitocondrial na doença de Alzheimer: revisão sistemática e metanálise
(Universidade Federal de Minas GeraisUFMG, 2018-03-08)
Introduction: There is evidence that the impairment of mitochondrial functions may contribute to damages in synapses and neurodegeneration, observed in Alzheimer's disease (A.D.). Neurodegeneration may be related to changes ...
Avaliação de erva-mate para chimarrão (Ilex paraguariensis St. Hil.) por métodos instrumentais e quimiometria
(Universidade Tecnológica Federal do ParanáCampo MouraoMedianeiraBrasilPrograma de Pós-Graduação em Tecnologia de AlimentosUTFPR, 2018-02-26)
The cultivation practices and harvesting and post-harvest steps of yerba mate are conducted by different methods depending on the region, factors that, as well as types of herbs (native or reforested) and genetic and ...