YL9120 UV/Vis Detector
The absorption of solvent in the column
has been changed.
Column is filled with UV absorbers that are
bleeding-replace column; impure solvent is
equilibrating with the column-replace solvent
with more pure grade, switch to a longer
wavelength so that background absorption
does not fluctuate as much.
Leakage in the lines from column to
Check lines for leakage.
L9120
19
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