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Determinação de halogênios por cromatografia de íons e ICP-MS em sulfato de bário após decomposição por piroidrólise
(Universidade Federal de Santa Maria, 2013-02-28)
In this work pyrohydrolysis is proposed as pretreatment of barium sulfate and subsequent determination of F, Cl, Br and I by ion chromatography (IC) and inductively coupled plasma mass spectrometry (ICP-MS). After the ...
Síntese de 4-trifluormetil-5-(propan-1-ol-3-il)-1H-piridin-2-iminas N-substituídas
(Universidade Federal de Santa Maria, 2013-03-08)
This work presents a simple and accessible synthetic route for the
preparation of a series, of nineteen new N-substituted 4-trifluormethyl-5-
(propan-1-ol-3-yl)-pyridin-2-(1H)-imines, obtained from the reaction between ...
Síntese de 1,2,4-oxadiazóis derivados de 4-tiazolidinonas e arilamidoximas
(Universidade Federal de Santa Maria, 2012-07-20)
The current work reports the incorporation of 4-thiazolidinones to oxadiazolic
ring by a simple and effective methodology.
Five species of thiazolidinones were synthesized by three component
condensation reaction of ...