(Ph.D. ?)Chem.E. Olubunmi Abatan. If Covenant University Ota Ogun State Nigeria has an Intellectual Property Officer a patent by Barry James Stagg from Columbian Chemical Co. US 7167240 B2 2007 might work. entitled Carbon Black sampling for particle surface area measurement using laser-induced incandescence and reactor process control based thereon. I haven't read the patent, I have met their sales "reps." a long time ago. So they are interested in "processing particle size distribution" if you've mutual interests perhaps they can help fund your researchfIf it is a matter of insufficient resources. My academic BET work was in a "glass rack".
You might be able to use electrochemical methods to measure that. See the papers below:
http://www.sciencedirect.com/science/article/pii/S1388248116301060
http://pubs.acs.org/doi/abs/10.1021/acs.jpcc.6b07861
GL
thank you Carl P. Hennessey i will try it out and Beniamin Zahiri, i will go through the papers
surface area of different kinds of activated carbon are now available. but most of the cases they measured it by N2 adsorption. you can directly measured by topographical analysis. but this method is still not established. few researchers just started to measure it directly.
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