Chemical characterization of individual ice crystals and size-classified snow samples

Ehrman, Sheryl H.; Schwikowski, M.; Baltensperger, Urs; ̈ggeler, H.W. Ga

doi:10.1016/s0021-8502(98)00480-7

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“…Meanwhile, some researchers (Ehrman et al, 1998;Mosimann et al, 1994) have suggested that the compositions of snow crystals also depend on cloud microphysics such as extent of collision-coalescence, riming, etc. Although the details are still under discussion, it is also known that aerosol chemical composition is a factor in ice crystal nucleation and is also very important during below-cloud scavenging, which occurs after nucleation.…”

Section: Quantification Of Chemical Components In a Single Snow Crymentioning

confidence: 99%

A Preliminary Study on a Method for the Morphological and Quantitative Analyses of Individual Snow Crystals and Its Application for Field Measurement

Ma¹

2011

Asian J. Atmos. Environ

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The main aim of this study is to establish methods of morphological preservation and elemental quantification for individual snow crystals. Individual snow crystals were collected at a height of 20 m above ground level. To stabilize and preserve the original morphologies of the snow crystals, cyanoacrylate, which has been used to fix liquid droplets, was applied (Kasahara et al., 2000). Several different kinds of snow crystals (dendrite, sectored plate, quasi-sectored plate, and hexagonal plate) were successively stabilized using this method. The stabilized snow crystals were pretreated with acetone, and then the elemental components contained in a whole snow crystal were quantified with the Particle Induced X-ray Emission (PIXE) analytical technique. The snow crystal residual composition determined in the present study was dominated by sulfur and mineral components, and the elemental mass showed an apparent crystal size dependence, where the elemental mass gradually decreased as the crystal size increased.

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Section: Quantification Of Chemical Components In a Single Snow Crymentioning

confidence: 99%

A Preliminary Study on a Method for the Morphological and Quantitative Analyses of Individual Snow Crystals and Its Application for Field Measurement

Ma¹

2011

Asian J. Atmos. Environ

View full text Add to dashboard Cite

show abstract

Chemical characterization of individual ice crystals and size-classified snow samples

Cited by 1 publication

References 0 publications

A Preliminary Study on a Method for the Morphological and Quantitative Analyses of Individual Snow Crystals and Its Application for Field Measurement

A Preliminary Study on a Method for the Morphological and Quantitative Analyses of Individual Snow Crystals and Its Application for Field Measurement

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