44 1200 Series DAD and MWD User Manual
4Using the Detector
Setting up an Analysis
This chapter can be used for
• preparing the system,
• to learn the set up of an HPLC analysis and
• to use it as an instrument check to demonstrate that all modules of the
system are correctly installed and connected. It is not a test of the
instrument performance.
• to learn about special settings.
Before Using the System
Solvent Information
Observe recommendations on the use of solvents in chapter “Solvents” in the
pump’s reference manual.
Priming and Purging the System
When the solvents have been exchanged or the pumping system has been
turned off for a certain time (for example, overnight) oxygen will re-diffuse
into the solvent channel between the solvent reservoir, vacuum degasser
(when available in the system) and the pump. Solvents containing volatile
ingredients will slightly lose these. Therefore priming of the pumping system
is required before starting an application.
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