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The Glass Expansion HydraMist is a sensitive, simple-to-use spray chamber for Inductively Coupled Plasma (ICP) that allows simultaneous operation of both conventional pneumatic nebulization and cold-vapor/hydride generation. Cold vapor generation can provide more than 10-fold improvement in sensitivity on ICP for cold vapor forming elements such As, Sb, Se, Tl and Hg. The generation of volatile species of these elements results in increased analyte loading of the analytical plasma giving lower detection limits.
The design of the HydraMist spray chamber is based upon Glass Expansionís industry-standard cyclonic spray chamber, giving excellent sensitivity and short-term analytical precision with fast washout. The HydraMist spray chamber features a secondary inlet port that mixes the aerosolized sample and liquid reductant inside the spray chamber for rapid conversion of the As, Sb, Se, Tl and Hg analytes into volatile hydride species. The unique drain design ensures fast, complete removal of waste from the spray chamber, eliminating excess hydrogen build-up that causes sample reflux degrading analytical precision.
With a simple to setup with fast changeover, the HydraMist Spray chamber can be operated in one of 3 different modes. The simple mode provides (figure 1.) simultaneous hydride and pneumatic nebulization mode with 5 fold improvements for detection limits of the hydride forming elements, while maintaining analytical performance for non-hydride elements. With the addtion of an extra sample input and t-piece (figure 2.) the HyrdraMist provides a sensitive, simultaneous cold vapor and pneumatic nebulization mode with more than 10 fold improvements in detection limits for the cold vapor elements without compromising performance of non-hydride forming elements. Finally, it can be used as a conventional cyclonic spray chamber with pneumatic nebulization.
Elements λ Pneumatic Nebulization ug/L Sensitive simultaneous hydride/pneumatic nebulization mode ug/L Simple simultaneous hydride/pneumatic nebulization mode ug/L As 188 3.7 0.2 0.5 Hg 194 1.2 0.07 0.1 Sb 206 3.6 0.2 0.4 Se 196 2.9 0.2 0.5 Cd 214 0.1 0.1 0.1 Co 238 0.4 0.5 0.7 Cr 267 0.5 0.3 0.3 Cu 327 0.5 0.6 0.6 Fe 238 0.4 0.3 0.4 Mn 257 0.05 0.04 0.03 Mo 202 0.5 0.7 0.7 Ni 231 0.7 1.0 1.0 Pb 220 1.9 2.3 2.6 Tl 190 2.1 0.2 0.2 Zn 213 0.2 0.2 0.2
Click on your instrument model to see the available Hydride Kit's with pricing:
Part Number Instrument Compatibility KT-1157 Agilent 5100/5110, 5800/5900 KT-1168 Agilent 7700/7800/7900/8900 KT-1157 Analytik Jena PQ 9000 KT-1157 PerkinElmer Avio 200/500 KT-1160 Spectro Arcos II SOP/EOP and Blue EOP/SOP KT-1179 Thermo Duo 6000/7200/7400 KT-1156 Thermo Duo 7600
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