Shape and surface area measurements using scanning electron microscope stereo-pair images of volcanic ash particles

@inproceedings{Mills2010ShapeAS,
  title={Shape and surface area measurements using scanning electron microscope stereo-pair images of volcanic ash particles},
  author={Owen P. Mills and William I. Rose},
  year={2010}
}
The shape and surface area of fiparticles are traditionally measured using projected or two-dimensional (2D) sections or with nitrogen gas adsorption using the BET (Brunauer, Emmett, and Teller) method. However, 2D sections are incomplete shape descriptors and nitrogen gas adsorption analysis is precluded when the amount of sample is limited, for example, in direct ash cloud sampling. In this study we present a technique for measuring the shape and surface area of individual grains of volcanic… CONTINUE READING

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