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OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com
7
7. Unscrew (counter-clockwise) the regulator T-screw completely. Remove
the cartridge holder and place a new cartridge inside. Tighten the car
-
tridge holder until the cartridge inside is punctured.
For sulfide analysis, use CO
2
gas. For carbonate analysis, use N
2
O gas.
8. Connect the regulator to the dispersion tube with one of the provided rubber
hoses. Connect the other rubber hose to the nylon fitting on chamber 3.
9. Gently flow gas through the system for 30 seconds by tightening the regu
-
lator T-screw. This will purge any remaining air from the system. Check
for leaks, then shut off the flow of gas.
Dispersion Tube
(#151-01)