Sentence examples for comparison of retention from inspiring English sources

Radiochemical identity and purity were measured via analytical radio-HPLC by comparison of retention times with authentic samples.

Compounds were identified by a combination of their retention index, comparison of retention times to standards and comparison of their known mass spectra with published spectra [17].

The identities of the synthesized radiolabeled compounds were confirmed by comparison of retention times with authentic HTP using HPLC equipped with UV and radio detectors.

The individual analytes present in the headspace gas were identified through comparison of retention times and mass spectral data with those of authentic standards (Fig. 1).

The hydrolysis products of indicating times were analyzed by HPAEC-PAD, and identified by comparison of retention time of each peak with those of standards.

The identity of -[125I]IV-OH was verified by a comparison of retention time with the nonradioactive -IV-OH (7) (Figure 2).

Structural assignments were made based on interpretation of mass spectrometric fragmentation and confirmation by comparison of retention time as well as fragmentation pattern of authentic compounds and the spectral data obtained from the Wiley and NIST libraries.

Individual FAME were identified by comparison of retention times with four commercial fatty acid standards (PUFA 1, PUFA 3, BAME and 37-component) supplied by Supelco (Bellefonte, PA) for area percent normalization.

The goal of the study was to investigate the molecular mechanism of retention and to find an objective manner of quantitative comparison of retention properties and classification of modern stationary phases for reverse phase HPLC (RP-HPLC).

Gas chromatographic peak identification was carried out by means of dedicated laboratory-made GC MS libraries and comparison of Retention Indices with those retrieved from literature, while peak quantification by means of a specifically designed software for comprehensive GC.

On the basis of comparison of retention times, UV and IR spectra of the impurity and its synthesized standard, this impurity was identified as apotropicamide (N-ethyl-2-phenyl-N- 4-pyridylmethyl prop-2-enamide).