Sentence examples for references standards from inspiring English sources

Three different concentration levels (approximately equivalent to 0.8, 1.0 and 1.2 times of the concentration of the original amount in the matrix) of the references standards were added into the sample in triplicate.

References standards of TSG were accurately weighed and dissolved in methanol.

The specific list of drugs and HOIs will include those already examined in previous references standards and those considered to be high priority by our pharmacovigilance collaborators.

First, reference standards must be applied.

Further 7 different reference standards were used.

Readers have to adapt their reference standards.

Figure 2 (Color) Selenium XANES spectra for reference standards.

AA and gallic acid (GA) were used as reference standards.

Currently only 21 external reference standards are commercially available.

Patterns were then evaluated by comparison to reference standards.

Most analyses use reference standards.