title: Improvement of the Sandell-Kolthoff reaction method (ammonium persulfate digestion) for the determination of iodine in urine samples.
authors.affiliation: .
authors.forename: Ana
authors.initials: A
authors.lastname: Machado
authors.affiliation: .
authors.forename: Lurdes
authors.initials: L
authors.lastname: Lima
authors.affiliation: .
authors.forename: Raquel B R
authors.initials: RBR
authors.lastname: Mesquita
authors.affiliation: .
authors.forename: Adriano A
authors.initials: AA
authors.lastname: Bordalo
mesh_terms: D000645:Ammonium Sulfate / Q000737:chemistry*; D002138:Calibration; D002563:Cerium / Q000737:chemistry; D003124:Colorimetry / Q000379:methods* / Q000592:standards; D006801:Humans; D007455:Iodine / Q000737:chemistry / Q000592:standards / Q000652:urine*
chemical_list: C031276:ammonium peroxydisulfate; D002563:Cerium; D007455:Iodine; D000645:Ammonium Sulfate
keywords: Sandell-Kolthoff reaction; inter-laboratory study; iodine; urine samples