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ASX-112FR Autosampler Operator's Manual
Chapter 3: Installing the Autosampler
Figure 3-5. Dual Flowing Rinse Station.
The rinse solutions are pumped into the rinse station through two ports at the
bottom of the rinse station and are drained from the top of the rinse station.
This up-flow rinsing is the most effective method for decontaminating the
sample probe between samples.
The waste rinse solutions drain from the top of the rinse station by gravity; it is
therefore necessary to ensure the drain tube hangs straight and is unhindered
in its path to the waste container.
In the gravity drain arrangement, the rinse solution moves through both
Peristaltic Pump Configuration
channels of the peristaltic pump to the dual inlets at the bottom of the rinse
station. It then drains out a single gravity drain at the top of the rinse station.
The rinse speed of the peristaltic pump is configurable through ICP-MS
command or through the provided pump speed utility (see page 52). Smaller
diameter pump tubing is available to enable lower rinse solution flow rates.
This tubing (Tygon
®
To connect the rinse station tubing to the rinse station, complete the following
steps:
Remove the two thumbscrews that secure the rinse station and then remove
the rinse station from the autosampler by gently pulling it away from the
1
support guide posts.
Use two lengths of approximately 28 inches (72 centimeters) of the 1/8 inch
(3-millimeter) I.D. Tygon
2
Insert one section of tubing onto each of the two lower fittings for the pre-
rinse and main rinse inputs on the back of the rinse station as noted in Figure
3-6.
24
) is available in spare part kit SP7296.
tubing provided for the rinse solution uptake.
®
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