Browsing by Author "Silva, Ricardo Bettencourt da"
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- Measurement of total reactive phosphorus in natural water by molecular spectrophotometry (SMEWW 4500-P D)Publication . Silva, Ricardo Bettencourt da; Trancoso, Maria Ascensão; Teixeira, P. Alexandra; Oliveira, Cristina M. R. Ramiro de; Mosca, Alice I. de Jesus; Dias, Florbela A. do Sacramento; Camões, M. Filomena G. F. CrujoABSTRACT: Phosphorus occurs in natural waters almost solely as phosphates.