Frequently asked questions

18What is a broken liquid column?19Which samples are more prone to liquid-column problems?20Why do bubbles affect results?21What can residue on the measurement surfaces cause?22How do accuracy and repeatability differ?23Why is wavelength accuracy important?24What do spectral bandwidth and resolution affect?25What is stray light?26Why does stray light cause high absorbance readings to be underestimated?27What is signal-to-noise ratio?

What is stray light?

Stray light is radiation reaching the detector from outside the intended spectral band. It may arise from internal reflections, insufficient spectral separation or external light leakage.

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