Frequently asked questions

8Why measure a Blank before measuring samples?9Why must the Blank match the sample matrix?10What is microvolume spectrophotometry?11Why can a liquid column remain between the measurement surfaces?12Why do microvolume measurements often use a short path length?13What does normalization to a 1 cm path length mean?14Why does path-length error directly affect concentration?15How should a stated path-length control specification be interpreted?16Why might different concentrations need different path lengths?17How can consistency between multiple short path lengths be verified?

How can consistency between multiple short path lengths be verified?

Use traceable or verified absorbance standards to compare normalized absorbance, repeatability, path-length ratios and independent blind samples.

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