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But just by looking, it is not possible to determine if they are or are not micrometeorites, because of industrial processes which produce similar microspheres. Such as is the case of coal-based electrical energy production, metal foundries, high-temperature ovens, etc.
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99.9% of the microspheres which come from the atmosphere are from industrial origin. The way to collect them is from rainwater in basins, as wide as possible, and preferably after periods of drought and/or after important meteor showers such as the Perseid, Leonid, or Gemenid. The collected water is filtered through filter paper and the metallic pieces are then separated (from the paper) with a magnet. Then the material obtained can be observed through a microscope and analyzed later.
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I hope to have been of some help --
Jaime Izquierdo -- Complutense University - Madrid, Spain
(Spanish Version)
EstimadoSr""". ,
He recibido su correo con las imagenes adjuntas.
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Solo por el aspecto no se puede deducir si son o no micrometeoritos, ya que
hay cantidad de procesos industriales que producen microesferas similares. Tal
es el caso de las Centrales de Produccion de Energia Electrica mediante carbon,
Fundiciones de metales, Altos Hornos, ect.
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El 99,9 % de las microesferas que se recogen de la atmosfera, son de
origen industrial. La forma de recogerlas suele ser del agua de lluvia en
bateas, lo mas amplias posible y preferentemente despues de periodos de sequia
y/o despues de lluvias meteoricas importantes como las Perseidas, Leonidas, o
Geminidas. El agua recogida se filtra mediante papel de filtro y mediante un
iman se separan las partes metalicas. A continuacion ya se pueden observar el
material obtenido al microcopio y posteriormente analizarlas.
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Esperando haber sido de utilidad.
Jaime Izquierdo.
If anybody has images to compare of similar spheres known to come from coal plants or other sources, please contact me - penum222@yahoo.com
