Sentence examples for as a procedural blank from inspiring English sources

Combusted quartz sand (heated to 500 °C for 3 h) was analyzed as a procedural blank for this work and was treated using the same experimental steps as the meteorite samples.

A Tenax sampling tube which had not been loaded with the standard solution was eluted with 10 cm3 of 95 5 hexane:IPA to provide a procedural blank.

A procedural blank was run with each batch.

The samples were extracted and analyzed in batches together with a procedural blank.

Quality control steps included daily calibration with verification of a high- and a low-concentration standard for each working range, a procedural blank, and certified reference material NIES CRM-13 (human hair; National Institute for Environmental Studies, Ibaraki, Japan) as the standard.

Samples were accompanied by the following quality control samples: a procedural blank, matrix spike samples, and a laboratory control sample.

For each batch of samples, a procedural blank was prepared to assess interferences deriving from the applied reagents and apparatus.

A procedural blank was analyzed along with the blubber samples and was processed with the final reference data processing method to ensure that no library compounds were present.

Quartz also acted as the procedural blank.

A confident quantification of PFOA in the milk samples was hampered by a high procedural blank contamination.

PCB concentrations were reported as individual congeners, after the amount of analyte in the procedural blank was subtracted, and as the sum of all congeners assayed (∑PCB) in units of nanograms per gram serum.