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List of works by Valfredo A Lemos

A preconcentration procedure for the determination of cadmium in biological material after on-line cloud point extraction ⬇️

scientific article published on August 9, 2011

Determination of arsenic in chicken feed by hydride generation atomic absorption spectrometry after pre-concentration with polyurethane foam

scientific article published on July 30, 2012

Determination of cadmium in bread and biscuit samples using ultrasound-assisted temperature-controlled ionic liquid microextraction

scientific article published on 02 May 2019

Multivariate optimization of ultrasound-assisted liquid-liquid microextraction based on two solvents for cadmium preconcentration prior to determination by flame atomic absorption spectrometry

scientific article published on 24 December 2020

Spectrophotometric Determination of Mercury in Water Samples After Preconcentration Using Dispersive Liquid–Liquid Microextraction ⬇️

scientific article published on 01 January 2012

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