Sentence examples for certified concentrations from inspiring English sources

Table 2 shows the comparison between the determined concentrations and certified concentrations for the USGS GRX-4 and G-2 standards [30].

The certified concentrations for BCR CRM646 are higher than those for CRM7306-a.

The certified concentrations were verified using results from the QX100 droplet digital PCR (ddPCR) system (Bio-Rad).

For SRMs, NIST 2704 and PACS-2 analyzed in this study, recoveries ranged from 96% to 107% of certified concentrations for Hg.

The accuracy of the measurements was checked by analyzing two external reference materials with certified values of 63 and 103 μg/l (control programme offered by the Society for Advancement of Quality Assurance in Medical Laboratories, INSTAND e.V., Düsseldorf, Germany), showing values within 90%110%% of certified concentrations.

Accuracy was confirmed by analysis of a standard reference material for wheat flour (NIST 1567a), which had certified concentrations of 14.1 ± 0.5 mg kg−1 for Fe and 40 ± 2.0 mg kg−1 for Mg, and the concentrations found using proposed method were 13.7 ± 0.3 mg kg−1 for Fe and 40.8 ± 1.5 mg kg−1 for Mg.

Furthermore, for quality assurance purpose, to check the accuracy of the measurement, aqueous certified reference material TM 25.4 (Environment Canada; certified concentration 22.0 µgAg/L) was analyzed alongside the samples during each series.

The certified concentration of antimony in GBW 07601 is.095 ± .012 μg/g (mean ± SD).

It was dissolved in ethanol at a certified concentration of 846.0 nmol/L (338.9 ng/mL).

The chemiluminescence analyzer was calibrated daily by using zero air and a certified concentration of NO.

The certified concentration of 10,300 cp/μL remains slightly higher than the value measured by ddPCR.