2013–2014 Survey of Chars Using Raman Spectroscopy

نویسندگان

چکیده

In late 2013, an open call for charcoal and biochar samples was distributed in effort to compare a wide range of char by Raman spectroscopy. The contributed this survey included: laboratory produced biochars, recent biochars field conditions, ancient previously analysed carbon dating. By using selected measurements, the could be ranked terms degree thermochemical alteration or extent nanostructural development. results recently biomass chars were generally consistent with conversion amorphous formed at lower temperatures into condensed, polyaromatic, graphene-like higher temperatures. A number parameters calculated from spectra used estimate effective heat treatment biochars. Other such as anthracite coal, tire pyrolysis carbon, departed trends observed approach. total, 45 spectroscopy survey. Ancient buried displayed intensities features associated carbon.

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ژورنال

عنوان ژورنال: C

سال: 2021

ISSN: ['2311-5629']

DOI: https://doi.org/10.3390/c7030063