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flow blurring

Flow Blurring is and efficient technology for pneumatic atomization. Conventional pneumatic nebulizers rely on the venturi effect to produce an aerosol as the nebulizer gas flow is forced through the tip past the narrow bore inner sample capillary. The narrow sample capillary makes it prone to blockages – especially with samples containing high levels of dissolved solids.
Flow Blurring nebulization employs highly turbulent mixing between the nebulizer gas flow and the liquid sample. With no pressure drop and a constant diameter capillary, nebulizer blockage is virtually eliminated. This technique creates an aerosol with extremely fine micro- and nano-scale droplets. It is also compatible with virtually any liquid, and can handle a wide range of solution flow rates.

The Flow Blurring nozzle configuration promotes highly turbulent mixing between the liquid sample and the nebulizer gas flow – creating a fine aerosol of extremely small droplets.

Source: A.M. Ganán-Calvo, Appl. Phys. Lett., 86 (2005) 214101. DOI: 10.1063/1.1931057


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