How to calculate the different forms of carbon (EC, OC, BC) from total blackness of particulate matter?
Please refers the following paper in attachment....it will help you to find your answer of your questions ....
See a friends Thesis, he used a chem-thermal method to differentiate C pools.
http://wvuscholar.wvu.edu:8881//exlibris/dtl/d3_1/apache_media/L2V4bGlicmlzL2R0bC9kM18xL2FwYWNoZV9tZWRpYS8yMzc5OA==.pdf
you can use a thermal optical method for EC OC speciation. the BC is optically measured by an aethalometer: certainly contains EC, and perhaps the so-called brown carbon (organic). with thermal optical method (with transittance measure) you can divide organic from elemental carbon and put the brown carbon in organic measure
Total (?) blackness\
Do you mean there is also colored desert dust in your sample?
Summary: blackness is a measure for so-called Black Carbon
EC / OC is determined in a completely different and much more expensive approach
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