Evelyn de Freitas Guimarães

The validation of a new high throughput method for determination of chloramphenicol in milk using liquid–liquid extraction with low temperature partitioning (LLE-LTP) and isotope-dilution liquid chromatography tandem mass spectrometry (ID-LC-MS/MS)

Eliane Cristina Pires do Rego, Evelyn de Freitas Guimarães, Ana Luiza Monteiro dos Santos et al. · Analytical Methods · 2015 · 26 citations

Pharmacy, Chemistry, Pharmaceutical Analysis +12

Final report on key comparison CCQM-K55.b (aldrin): An international comparison of mass fraction purity assignment of aldrin

Steven Westwood, R D Josephs, Tiphaine Choteau et al. · Metrologia · 2012 · 25 citations

Natural Sciences, Biochemistry, Chemistry +17

Feasibility study for the development of a certified reference material of nitrofuran metabolites in chicken breast muscle from incurred samples

Fernando Gustavo Marques Violante, Carla de Oliveira Rosas, Evelyn de Freitas Guimarães et al. · Measurement · 2018 · 20 citations

Agriculture, Animal Sciences, Food Science +9

Feasibility study for development of candidate reference material for food analysis: Chloramphenicol in milk powder

Eliane Cristina Pires do Rego, Evelyn de Freitas Guimarães, Janaína Marques Rodrigues et al. · Measurement · 2016 · 14 citations

Agriculture, Food Science, Pharmaceutical Analysis +15

Certified Reference Material for Traceability in Environmental Analysis: PAHs in Toluene

Evelyn de Freitas Guimarães, Eliane Cristina Pires do Rego, Helen C. M. Cunha et al. · Journal of the Brazilian Chemical Society · 2013 · 11 citations · Full text

Pharmacy, Toxicology, Analytical Chemistry +15