Sod

Jordens atmosfæres aerosolfordeling (inkl. sod) 2006 (kilde: NASA).

Sod, også kaldet lampesod, er et afsat mørkt pulver af uforbrændt brændselrester og består normalt af amorft carbon. Sod er hovedbestanddelen i røg fra forbrændingen af carbon-rige fossilt brændsel når oxygenmængden er for lav. Sod er normalt "klæbrigt", og akkumuleres i skorstene, biludstødninger.

Sodpartikler har en diameter på mellem 70 nm og 2 um.[1]

Sod dannes f.eks. også af tændte stearinlys. Stearinlys sod indeholder bl.a. nanopartikler som fluorescerer under UV-lys. [2]

Se også

Se Wiktionarys definition på ordet:

Referencer

  1. ^ Free Access: 04 March 2023, agupubs.onlinelibrary.wiley.com: Morphology and Fractal Dimension of Size-Resolved Soot Particles Emitted From Combustion Sources, backup Citat: "...Soot particles from combustion sources or in the atmosphere have a large size range from 70 nm to 2 μm (Baldelli et al., 2020; Laborde et al., 2013; Schwarz et al., 2008; J. Wang et al., 2022)..."
  2. ^ 15. sep 2007, Ing.dk: Sod er fyldt med fluorescerende nanopartikler, backup

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