Vapor Generation Accessory VGA–77 Operation manual

REDACIDSAMPLEACIDSAMPLEVGA–77REDUCTANTINERT GAS "B" TO SEPARATORINERT GAS "A" TOREACTION COILcell in cell holder atfront of AA module'JHVSFÁ Cell resting in module holder, when not in use*$1ÁNPEVMFÁIf you are using the ICP reagent module, follow the steps below toconnect the plasma gas/liquid separator outlet to the ICP instrument.✒ Note It is possible to connect the vapor generator to the ICP-OES or ICP-MSsystems while the plasma is on.1. Set up the sample introduction system as described in the ICPoperation manual.2. Use a sharp scalpel to neatly cut a length (appropriate to yourinstallation) of the black fluoro-elastomer tubing supplied.3. Fit the large black fluoro-elastomer tubing over the vapor outletof the plasma gas/liquid separator.4. Measure the minimum length of the supplied polyethylene tubingrequired to connect the free end of the black fluoro-elastomertubing to the sample inlet of the ICP nebulizer. Neatly cut therequired length and make the connection.✰✰✰ Hot Tip For mercury determinations using SnCl 2, the drain peristaltic pump tubingfrom the spectrometer should be pinched to prevent loss of gaseousmercury through the pumped drain.2-20 Publication date: May 2004