Sandra Fragueiro

Hydride generation-headspace single-drop microextraction-electrothermal atomic absorption spectrometry method for determination of selenium in waters after photoassisted prereduction

Sandra Fragueiro, Isela Lavilla, Carlos Bendicho · Talanta · 2005 · 101 citations

Chemical Engineering, Engineering, Natural Sciences +6

Determination of methylmercury by electrothermal atomic absorption spectrometry using headspace single-drop microextraction with in situ hydride generation

Sandra Gil, Sandra Fragueiro, Isela Lavilla et al. · Spectrochimica Acta Part B Atomic Spectroscopy · 2004 · 71 citations

Solvent Extraction, Environmental Chemistry, Chemical Engineering +12

Headspace sequestration of arsine onto a Pd(II)-containing aqueous drop as a preconcentration method for electrothermal atomic absorption spectrometry

Sandra Fragueiro, Isela Lavilla, Carlos Bendicho · Spectrochimica Acta Part B Atomic Spectroscopy · 2004 · 66 citations

Chemical Engineering, Engineering, Analytical Instrumentation +13

Direct coupling of solid phase microextraction and quartz tube-atomic absorption spectrometry for selective and sensitive determination of methylmercury in seafood: an assessment of chloride and hydride generation

Sandra Fragueiro, Isela Lavilla, Carlos Bendicho · Journal of Analytical Atomic Spectrometry · 2004 · 33 citations

Motivation for science learning as an antecedent of emotions and engagement in preservice elementary teachers

Pedro Membiela Iglesia, Manuel Miguel Jordán Vidal, Sandra Fragueiro et al. · Science Education · 2021 · 15 citations · Full text

Science Education, Affective Variable, Educational Psychology +23