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The aim of this work was to study the feasibility of the slurry sampling-ICP-AES routine analysis of solid environmental samples. The poor characteristics of the current pneumatic nebulization devices and short residence time of species in the plasma are responsible for a size-segregation of particles and their incomplete dissociation. This results in a suppression of emission signals and consequently...
Behaviors of different commercially available sample introduction devices for ICP-AES, ie, pneumatic nebulizers (concentric, V-groove, micro-concentric), plus one ultrasonic nebulizer and two spray chambers (Sturman-Masters, cyclonic) were studied and their figures of merit (LODs, RSDs, memory effects) were determined. Also the influences of added nitric acid and of the main matrix elements on the...
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