Jayalath, W.I.M.; Pandithavidana, D.R.
(Sri Lanka Association for the Advancement of Science, Colombo 07, 2015-12-01)
‘Surfactants’ or ‘surface active agents’ are chemical agents capable of reducing the surface
tension of a liquid in which it is dissolved. Nonylphenol ethoxylates (NPEs) are a group of
non-ionic surfactants commonly known ...