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 do spectral bandwidth and resolution affect?

Wider bandwidth increases light throughput but may smooth neighboring peaks. Narrower bandwidth improves peak separation but may increase noise.

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