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Application of switchable hydrophobicity solvents for extraction of emerging contaminants in wastewater samples
(MDPI, 2020)
In the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (N,N-Dimethylcyclohexylamine (DMCA), N,N-Diethylethanamine (TEA), and N,N-Benzyldimethylamine (DMBA)) for a variety ...
Incidence of patulin in fruits and fruit juices marketed in Campinas, Brazil
(1999-02-06)
One hundred and eleven samples of processed fruit juices (apple, grape, pineapple, papaya, guava, banana and mango) and 38 samples of sound fruits (apple, papaya, mango, pear and peach) produced and marketed in Brazil, ...
Ultrasonic sensor for the presence of oily contaminants in water
(UNIV NAC COLOMBIA, FAC NAC MINASMEDELLIN, 2012)
The determination of the complex reflection coefficient of ultrasonic shear-waves at the solid-liquid interface is a technique employed for the measurement of the viscoelastic properties of liquids. An interesting property ...
Ion exchange resins applied in the removal of uranium from contaminated effluents
(Associa????o Brasileira de Energia Nuclear, 2021)
Sample preparation and antibiotic quantification in vinasse generated from sugarcane ethanol fuel production
(2022-03-15)
Vinasse - liquid organic residue derived from the production of sugarcane ethanol fuel, has been applied as soil amendment via fertigation for decades in Brazil. This organic residue is an important source of nutrients and ...
Electrochemical Determination of Organic Compounds in Automotive Fuels
(Wiley-Blackwell, 2014-02-01)
This article critically reviews the electroanalytical methods devoted for the determination of organic compounds in automotive fuels that can range from contaminants to additives typically introduced into liquid biofuels ...
Liquid chromatography analysis of common nutritional components, in feed and food
(2019)
Food and feed laboratories share several similarities when facing the implementation of liquid-chromatographic analysis. Using the experience acquired over the years, through application chemistry in food and feed research, ...
Vibration and oil analysis for monitoring problems related to water contamination in rolling
(2010-12-01)
Trying to reduce particle contamination in lubrication systems, industries of the whole world spend millions of dollars each year on the improvement of filtration technology. In this context, by controlling fluid cleanliness, ...