1. Department of Chemistry, Mississippi State University (MSU), Starkville, Mississippi 39762, United States
2. Biochar Supreme Inc., Everson, Washington 98247, United States
3. College of Chemical Sciences, Institute of Chemistry Ceylon, Rajagiriya 10107, Sri Lanka
4. School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
5. Material Science Laboratory, Integrated Microscopy Center, University of Memphis, Memphis, Tennessee 38152, United States