000 00280nam a22000977a 4500
999 _c4568
_d4568
100 _aHapuheenna, H.G.A.S.
245 _aRemoval of Nitrate using a paddy Husk fired silica Material/
260 _aRajagiriya:
_bInstitute of Chemistry Ceylon,
_c2017.
300 _aix,22p:
942 _cDES