Microemulsion as Sample Preparation for Direct Flame Atomic Absorption Spectrometry (FAAS) Determination of Total Iron in Crude and Refined Vegetable Oils

Mercury calibration curves by thermal desorption associated with atomic absorption spectrometry in different matrices: (a) average of b horizon of humic Xanthic hapludox - lva-b and

The calibration curves obtained with calibration standards prepared in reagent water (aqueous standards) and serum matrix (patients who do not use lithium as treatment)

O socialismo é compreendido como um conjunto de doutrinas e movimentos políticos voltados para os interesses das classes menos favorecidas do sistema, tendo como objetivos

As RB is not obliged to open their financial books, the success evaluation is based on the club’s sporting success, its increased squad market value in relation to net

Matrix effect was assessed by comparing the slopes of standard solution calibration curves and matrix-matched calibration curves for the green and roasted

Five methods for calibration of the HS equation were evaluated: calibration using simple linear regression; calibration of the parameter “A” keeping the other parameters (“B”

Abstract – The objective of this work was to evaluate multivariate calibration models to predict total lipids, crude protein, and moisture content in grinded soybean grains

The use of acetonitrile as a disperser solvent and two extractor solvents (chloroform and dichloromethane) improved the recovery of the more polar analytes, allowing