F. V. Silva

Determination of residual carbon by inductively-coupled plasma optical emission spectrometry with axial and radial view configurations

J. Nóbrega, A. Nogueira, S. T. Gouveia, 2001 .

Evaluation of inductively coupled plasma optical emission spectrometers with axially and radially viewed configurations

J. Nóbrega, C. S. Silva, A. Nogueira, 2002 .

Potentiometric determination of urea by sequential injection using Jack bean meal crude extract as a source of urease.

J. Lima, A. Araújo, M. C. Montenegro, 2000, Talanta.