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?28Why does baseline stability matter?29What is photometric linearity?30Are calibration and verification the same?

Why does baseline stability matter?

Baseline drift over time or wavelength adds directly to sample absorbance. Low-concentration samples are particularly sensitive.

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