Pump priming after long Idle

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When the pumping system has been turned off for a certain time (for example,

overnight) oxygen will rediffuse into the solvent channels between the vacuum

degasser and the pump. Solvents containing volatile ingredients will slightly

lose these, if left in the degasser without flow for a prolonged period of time.

Therefore priming of the vacuum degasser and the pumping system is

required before starting an application.