Madhu Wickrama Arachchi, W.A.S.; Hewathilake, H. P. T. S.; Senevirathna, T. C.; Balasooriya, N.W.B.; Wijayasinghe, H. W. M. A. C.
(South Eastern University of Sri Lanka, 2016-12-20)
Sri Lanka has its own demarcated possession for the high quality vein graphite containing 95-98 % of initial purity of carbon.Presently Sri Lankan vein graphite is exported as a cheap raw material without any value addition. ...