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- E-ISSN 2288-8985
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Development of wet-sampler for collection and fractionation of micron-sized particles
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2011, v.24 no.6, pp.429-434
https://doi.org/10.5806/AST.2011.24.6.429
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(2011). Development of wet-sampler for collection and fractionation of micron-sized particles. Analytical Science and Technology, 24(6), 429-434, https://doi.org/10.5806/AST.2011.24.6.429
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Abstract
In this study, a wet-sampler was developed for collection in water and simultaneous fractionation of micron-sized particles (e.g., pigment, airborne, etc.). In this new device, three cylinders (partially filled with water) through which air was forced to pass for sample collection are connected in a series. Particles of different sizes are collected in different cylinders, allowing simultaneous fractionation. An uniqueness of this new device is that it does not use any membrane filter. Microparticles are collected directly in cylinders filled partially with water. Also the particles are simultaneously fractionated within this device while they are being collected. The new device was employed for collection of airborne particles. The collected airborne particles were fractionated by using sedimentation field-flow fractionation, SdFFF), and observed with an optical microscopy(OM) for size and shape analysis. Also AAS and ICP-AES were used for composition analysis of the airborne particles. It is expected that the new device is applicable to collection and analysis of size distribution of various types of microparticles.
- keywords
- micron-sized particle, wet-sampler, collection and simultaneous fractionation, sedimentation field-fractionation(SdFFF)
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