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Charged Aerosol Detectors

Corona Veo and Corona Veo RS

Operating Instructions Page 45

5 Operation

5.1 Safety Guidelines for Operation

English Safety Guidelines

For the safety guidelines in French, see page 46.

Important: When operating the detector, observe the following safety

guidelines:

• Always turn on the gas supply before starting the flow of mobile phase.

• When you stop the gas flow, always turn off the mobile phase flow and allow the

detector to remain pressurized for 5 minutes before your turn off the gas flow.

• Turn on the gas flow only when a nebulizer is installed.

• Observe the pressure range for the gas supply (→ section 9, page 121) and the internal

gas pressure setting as stated in the Installation Instructions for the nebulizer.

• Operate the detector only when it is connected to appropriate ventilation. Exhaust gas

ventilation should be at atmospheric pressure.

• If a leak occurs, turn off the detector immediately, stop the pump flow, and remedy the

situation.

• If the pressure relief valve is open and leaking gas, immediately shut down the detector.

For details, see section 5.7.3 (→ page 71).

• After operation of the detector

If you operated the detector with organic solvents in high concentration that may form

peroxides upon evaporation (un-stabilized THF, 2-propanol, etc.), flush the flow paths

completely with HPLC-grade water prior to shut down.

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