Getting Started
Agilent Vapor Generation Accessory VGA 77 and VGA 77P User’s Guide 41
4 Measure the minimum length of the supplied polyethylene tubing
required to connect the free end of the black fluoro-elastomer
tubing to the sample inlet of the ICP nebulizer. Neatly cut the
required length and make the connection.
Figure 18. Plasma gas/liquid separator for ICP module
TIP
For mercury analysis using SnCl
2
, the drain peristaltic pump tubing from the
spectrometer should be pinched to prevent loss of gaseous mercury through the
pumped drain.
Connecting a Mercury Trap (for AA only)
Use a sharp scalpel to cut two suitable lengths of the supplied 6 mm
diameter clear PVC tubing, and connect them to the two cell ports.
Connect the free ends to a ‘T’-piece and then to a suitable mercury
trap in accordance with local regulations governing the discharge of
mercury vapor.
TIP
Fitting is easier if the ends of the tubing are first softened in hot water.
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