Hi! We also had trouble with our waters system. I tried washing with diluted
nitric acid but still got a wavy backround line. First, I thought that the UV lamp
was fused and changed it, but that didnt solve the problem. Finally we inspected the
uv detector and somehow (or someone) there was something inside that seemed like
mold or something that was not filtered before loading into the HPLC. The
solution..a) buying another $2500 unit or B) using a 28g wire and pass through the
HPLC. We are waiting for the wires right now. I can let you know later if it
worked!
Aida Cancel
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