Accessories and Options
52 Agilent 5100 and 5110 ICP-OES Site Preparation Guide
Table 10. VGA gas supply requirements
Permissible pressure range 300–400 kPa (42–57 psi)
Recommended pressure 350 kPa (50 psi)
Required flow rates Up to 100 mL/min
Multimode Sample Introduction System (MSIS)
For safety information and to prepare the MSIS for installation,
please see the instructions that came with this accessory and the ICP
Expert Help.
The MSIS is used with the ICP-OES instrument to provide
simultaneous vapor generation of several hydride forming elements,
enabling determination with low ppb detection limits.
The MSIS consists of the OneNeb nebulizer and modified glass
cyclonic spray chamber that has two vertical conical tubes in the
center of the chamber. This allows for reductant and sample to mix
quickly and thoroughly in the chamber using thin film hydride
technology to form the hydrides.
The MSIS can be operated in three modes: hydride only,
simultaneous hydride and conventional nebulization or conventional
nebulization only.
Argon Saturator Accessory (ASA)
The Argon Saturator Accessory (ASA) is commonly used when
running aqueous samples with high dissolved solids or high dissolved
salt content. When using the ASA, the nebulizer gas flow is passed
through the saturator to increase the water vapor in the gas. This has
been found to be beneficial by reducing the build-up of salt and other
dissolved solids in the sample introduction system. By reducing
blockages, the ASA helps to ensure uninterrupted, maintenance-free
operation.
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