Final analytical determination of the target analytes was performed by GC/isotope-dilution HRMS employing a Thermo Finnigan MAT95XP (Thermo Fisher Scientific, Bremen, Germany).
Analytical determination of the target analytes were performed by gas chromatography isotope dilution high resolution mass spectrometry (GC-IDHRMS) employing a MAT95XP (ThermoFinnigan MAT, Bremen, Germany) instrument.
We performed final analytical determination of the target analytes using gas chromatography isotope dilution high resolution mass spectrometry with a MAT95XP (Thermo Electron, Bremen, Germany) instrument (Sjödin et al. 2004a).
Lipid content was determined gravimetrically, and the final analytical determination of PBDEs, PCBs, and p, p′-DDE was performed by gas chromatography/isotope-dilution high-resolution mass spectrometry.
Lipid content was determined gravimetrically, and the final analytical determination of PBDEs was performed by gas chromatography/isotope-dilution high-resolution mass spectrometry.
In this study we did not evaluate the effect of the various vegetal species in determining a different 'local environment' that we selected for analytical determination.
The selection of a test portion from the test sample is the first step in any specific analytical determination.
This is then converted by a set of operations to the test sample, from which an analyst selects a test portion for an analytical determination.
R2CH−CR2−NH2+ HNO2→ R2CH−CR2N2NO → N2 + R2C=CR2 or R2CH−CR2OH This reaction has been used for analytical determination of primary amino groups in a procedure known as the Van Slyke method.
Analytical determination needs specificity, sensitivity, accuracy, and versatility.
All chemicals were of analytical grade, and three replicates per analytical determination were carried out.
