Hydride generator accessory for AA spectrometers.
The hydride generator accessory VP100, based on the continuous flow vapor principle, enhances the capabilities of the proprietary M and S series Atomic Absorption (AA) spectrometers, allowing high sensitivity vapor analyses to be performed. The device allows AA spectrometers to determine elements that can form gaseous hydrides or, in the case of mercury, a mono-atomic vapor. These include arsenic (As), selenium (Se), bismuth (Bi), tellurium (Te), anti-mony (Sb), tin (Sn), lead (Pb) and mercury (Hg). The continuous flow design produces a steady state signal, which is integrated to provide measurement precision. The continuous flow of samples and reagents produces a self-cleaning action that reduces memory effects and improves sample throughput. The electronic mass flow control unit operating under software control ensures optimum precision, and it allows the flow rate to be saved as a method parameter, ensuring long-term repeatability. Thermo Electron Corp. www.thermo.com/elemental, 800-532-4752
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