IsoMist Programmable Temperature Spray Chamber
The Ultimate Spray Chamber for ICP-MS and ICP-OES
The IsoMist Programmable Temperature Spray Chamber, provides the benefits of a temperature-controlled ICP sample
introduction system in a compact, convenient package.
Peltier Effect Temperature Control
The temperature is electronically controlled using a powerful inbuilt Peltier device. You can select any temperature between
-10C and +60C in 1C increments to provide the optimum conditions for any application. The rapid response of the Peltier
device allows a spray chamber temperature of -5C to be reached within 15 minutes.
Versatile Computer Interface
For maximum convenience, the IsoMist can be controlled from your PC via a Bluetooth wireless interface or a standard USB
network connection. The spray chamber temperature can be monitored through a temperature versus time plot on your PC
screen. And, for regulatory compliance, the temperature versus time data file can be saved with your results. If these features
are not required once the temperature has been programmed, the IsoMist can be run in stand-alone mode without a PC
Reduced Oxide Interferences in ICP-MS
By introducing the sample at low temperature, the IsoMist reduces oxide as shown in Figure 2, resulting in fewer interferences
and improved detection limits.
Figure 1. The IsoMist
Figure 2. Effect of IsoMist Temperature on ICP-MS Oxide Ratio; Data courtesy of
David Jones, ALS Chemex.
Perfect for Volatile Organics
The temperature can be set as low as -10C to reduce the solvent load on the plasma and allow the straightforward ICP-MS or
ICP-OES analysis of even the most volatile organic solvents, as shown in Figure 3.
Constant Temperature Improves Stability
By holding the spray chamber at a constant temperature, the IsoMist significantly improves long-term signal stability,
increasing the likelihood of calibration checks passing. Figure 4 shows the emission signals over 3 hours with the temperature
held at a constant 21C compared with a standard system at ambient temperature.
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