Uzoukwu, B.A.Oforgi, P.2010-07-062010-07-061993Journal of the National Science Council of Sri Lanka, 21(1):p.103-109https://dl.nsf.gov.lk/handle/1/5972Water analysisChemistry1-phenyl-3-methyl-4-trifluoroacetyl-pyrazolone-5 (HPMTFP) as an extraction and spectrophotometric reagent for Vanadium (v)Article