Accessories
Guardian In-Line Sample Filter
If there are particulates in your samples, there is a risk that they may
get trapped in the narrow bore sample tubing or within the nebulizer.
The Guardian In-Line Sample Filter provides a simple and effective way
to eliminate this risk. This filter is easily inserted in the sample tubing
between the autosampler probe and the nebulizer. It incorporates a 120
micron PolyComb filter and is suitable for use with 1/16 inch (1.6mm) OD
or 1.3mm OD sample tubing.
The purpose-built clog-resistant design
is ideal for ICP samples. Unlike sintered
or frit style filters, the linear honeycomb
structure makes the PolyComb filter
resistant to clogging from particulates.
Any particle build-up is easily removed
by back-flushing using the Eluo Adaptor
70-803-1160. And the PEEK material
is suitable for use with all of the most
common ICP solutions.
Guardian In-Line Non-Return Gas Filter
The new Guardian In-line Non-Return Gas Filter provides protection for
your ICP system in two ways:
1. A non-return valve prevents acidified sample or rinse solution
syphoning into the instrument gas box.
2. 30-micron PolyComb filter protects the nebulizer from particulates in
the instrument gas supply.
The Guardian In-line Non-Return Gas Filter is positioned between the
Argon inlet on the Direct Connection nebulizer and the gas supply fitting
on the instrument. The In-line Non-Return Filter has a one-way valve that
allows argon to flow from the instrument into the nebulizer, but prevents
liquid syphoning into the instrument. A unique PolyComb 30-micron filter
design protects the nebulizer from particulates from the gas supply or
from worn or damaged fittings in the gas lines. Unlike Sintered or Frit style
filters, the linear honeycomb structure makes PolyComb most resistant to
particulate and dissolved solid clogging.
Syphoning of the sample or rinse solution into the nebulizer argon control
module on your ICP can occur at the end of an analytical run when the
nebulizer gas pressure is turned off and there is liquid in the sample flow
path. It is made worse if the autosampler probe stays in the rinse position
at the end of a run.
A real problem using an autosampler for unattended overnight runs, it is a
silent, invisible killer of your ICP. Acidified solution in the instrument Argon
control module can cause corrosion to electronic sensors in mass flow
controllers and damage regulators that can result in expensive repairs to
your ICP and un-planned down time.
10
Guardian In-Line Sample Filter
In-Line Filter 70-803-1108
Eluo Adaptor for In-Line Filter 70-803-1160
Fitting Seal 1/16 (PKT 10) 70-803-0749
Non-return valve
30 micron particulate filter
Inert PEEK construction
Finger-tight ratchet for a consistant seal
Guardian In-Line Non-Return Gas Filter
Guardian In-Line Non-Return Gas Filter 70-803-1362
Eluo Adapter For In-Line Filter
Sample tubing Filter block Ferrule Connector
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