1. Homogeneity study of a corn flour laboratory reference material candidate for inorganic analysis. (1st July 2015) Authors: dos Santos, Ana Maria Pinto; dos Santos, Liz Oliveira; Brandao, Geovani Cardoso; Leao, Danilo Junqueira; Bernedo, Alfredo Victor Bellido; Lopes, Ricardo Tadeu; Lemos, Valfredo Azevedo Journal: Food chemistry Issue: Volume 178(2015) Page Start: 287 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Multivariate optimization of a dispersive liquid-liquid microextraction method for determination of copper and manganese in coconut water by FAAS. (15th December 2021) Authors: Trindade, Joabes Santos; Lemos, Valfredo Azevedo; Mata Cerqueira, Uillian Mozart Ferreira; Novaes, Cleber Galvao; Araujo, Sulene Alves; Bezerra, Marcos Almeida Journal: Food chemistry Issue: Volume 365(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Strategies to Make Methods Based on Flow Injection Analysis Greener. Issue 7 (6th July 2020) Authors: Bezerra, Marcos Almeida; Santelli, Ricardo Erthal; Lemos, Valfredo Azevedo; dos Santos Alves, Juscelia Pereira; Braz, Bernardo Ferreira; Santos, Luana Bastos Journal: Clean Issue: Volume 48:Issue 7/8(2020) Page Start: n/a Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Ultrasound-Assisted Emulsification Microextraction in an Online System for Determination of Cadmium in Water and Tea Samples. (23rd November 2019) Authors: Nunes, Leane Santos; Lemos, Valfredo Azevedo Journal: Journal of AOAC International Issue: Volume 101:Number 5(2018) Page Start: 1647 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Ultrasound-assisted temperature-controlled ionic liquid microextraction for the preconcentration and determination of cadmium content in mussel samples. (April 2015) Authors: Lemos, Valfredo Azevedo; Oliveira, Luana Araújo Journal: Food control Issue: Volume 50(2015:Apr.) Page Start: 901 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Use of Functionalized Resin for Matrix Separation and Trace Elements Determination in Petroleum Produced Formation Water by Inductively Coupled Plasma Mass Spectrometry. (2nd February 2012) Authors: Santelli, Ricardo Erthal; Freire, Aline Soares; Oliveira, Eliane Padua; Lemos, Valfredo Azevedo; Novaes, Cléber Galvão; Bezerra, Marcos Almeida Other Names: Angioni A. Academic Editor.; Haji Shabani A. M. Academic Editor.; Kara D. Academic Editor.; Lavilla I. Academic Editor. Journal: ISRN analytical chemistry Issue: Volume 2012(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗