Sentence examples for based on retention time from inspiring English sources
The issue of false positives for screening methods in which analyte detection is based on retention time and only one exact mass is highlighted.
At trace levels, detection based on retention time and only one exact mass may result in an unacceptable number of false positives reported by the software [ 29].
Automated screening of pesticides based on retention time and the exact mass of one diagnostic ion resulted in too many false positives to enable efficient screening.
Peak identification was based on retention time and mass spectra comparisons with authenticated standards and by reference to published reports.
Peak identification was based on retention time compared against two reference standards: bacterial acid methyl-ester standard (47080-0; St . Louisich, St. Louis) and a 37-Component fatty acid methyl-ester mix (47885-U; Sigma Aldrich, St . Louis.
However, because the errors of predicted tR of closely eluting peaks were highly correlated, models of resolution (Rs) that were based on retention time had errors in the same range as corresponding models based on ECL.
Based on retention times and content based on every monosaccharide by authentic standards (Figs. 2, 3), the monosaccharide composition of ADPs-1a was xylose, mannose, glucose and galactose in a molar ratio of 0.31 0.22 26.1 0.11.
Based on retention times for 18F-fluoride (3 min) and 18F-TFB (7.8 min), HPLC effluent was collected at 2 4 min and 6 9 min to represent activity in the form of 18F-fluoride and 18F-TFB.
