Shimadzu Spd20a User Manual

| Component | Frequency | Manual Section | Critical Warning | |-------------------|--------------------------------|----------------|------------------------------------------------------| | Flow cell | Weekly | 4.2 | Never touch the quartz lens with bare fingers. | | Deuterium lamp | Every 2000 hours or low energy | 4.3 | Allow lamp to cool 30 min before replacement. | | Cell gaskets | Annually or after 5000 hrs | 4.2.3 | Overtightening cracks the cell block. Torque to 2 Nm.| | Optical unit | As needed (dusty labs) | 4.4 | Only trained service engineers should open this. |

You don't have to choose just one wavelength. The shimadzu spd20a user manual

provides a practical guide on how to integrate the SPD-20A into a full HPLC workflow. Community Troubleshooting : Platforms like Chromatography Forum | Component | Frequency | Manual Section |