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Internal standard addition calibration: Determination of calcium and magnesium by atomic absorption spectrometry
(2015-09-01)
Internal standard addition (ISA) is a new calibration method that combines the principles of internal standardization and standard additions. The current work demonstrated the effectiveness of ISA for the determination of ...
Experimento utilizando grãos para explorar a calibração em análises químicas
(Sociedade Brasileira de Química, 2014-01-01)
The conventional curriculum of Analytical Chemistry undergraduate courses emphasizes the introduction of techniques, methods and procedures used for instrumental analysis. All these concepts must be integrated into a sound ...
Calibration strategies applied to laser-induced breakdown spectroscopy: A critical review of advances and challenges
(2020-01-01)
Over the years, laser-induced breakdown spectroscopy (LIBS) has been reported in the literature as an alternative to traditional methods of analysis, becoming well established among spectroanalytical techniques. LIBS is a ...
Standard dilution analysis in flow system: Sodium determination by flame atomic emission spectrometry
(2016-01-01)
Standard dilution analysis (SDA) is a new calibration method that combines the principles of internal standardization and standard additions. The current work evaluated the feasibility of SDA automation using a flow-injection ...
Standard dilution analysis of beverages by microwave-induced plasma optical emission spectrometry
(2016-02-25)
In this work, standard dilution analysis (SDA) is combined with microwave-induced plasma optical emission spectrometry (MIP OES) to determine seven elements in coffee, green tea, energy drink, beer, whiskey and cachaça ...
Avaliação do método de adição de padrão interno em técnicas espectroscópicas
(Universidade Estadual Paulista (Unesp), 2017-02-22)
O objetivo desta Tese de Doutorado foi avaliar o método de adição de padrão interno empregando técnicas espectroscópicas. Inicialmente o método de adição de padrão interno foi aplicado no modo convencional na determinação ...
Multi-energy calibration applied to atomic spectrometry
(2017-08-22)
Multi-energy calibration (MEC) is a novel strategy that explores the capacity of several analytes of generating analytical signals at many different wavelengths (transition energies). Contrasting with traditional methods, ...
Quantification of sex pheromone from Anocentor nitens by gas chromatography-mass spectrometry-selected ion monitoring
(2004-02-27)
Two highly sensitive and selective methods based on gas chromatography coupled to mass spectrometry (GC-MS) in the selected ion monitoring (SIM) mode have been developed for the quantification of 2,6-dichlorophenol (2,6-DCP), ...
Quantification of sex pheromone from Anocentor nitens by gas chromatography-mass spectrometry-selected ion monitoring
(2004-02-27)
Two highly sensitive and selective methods based on gas chromatography coupled to mass spectrometry (GC-MS) in the selected ion monitoring (SIM) mode have been developed for the quantification of 2,6-dichlorophenol (2,6-DCP), ...
Calibration strategies for elemental determination using direct solid analysis by x-ray spectroscopy and laser-induced breakdown spectroscopy
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2020-07-30)
Direct analysis of solid samples using techniques such as wavelength dispersive X-ray fluorescence (WD XRF), X-ray absorption near-edge structure (XANES) spectroscopy and laser-induced breakdown spectroscopy (LIBS); have ...