title: Properties and analytical applications of the heteropolymolybdates of phosphorus, arsenic, silicon and germanium-IV Determination of phosphomolybdic and silicomolybdic acids via the molybdenum content, with phenylfluorone.
abstract: Procedures are proposed for the determination of phosphorus and silicon in the ppM range, by extraction of phosphomolybdic and silicomolybdic acids with organic solvent, decomposition of the complex and spectrophotometric determination of its molybdenum content.
authors.affiliation: Institute for Analytical Chemistry, University for Chemical Engineering, Veszprém, Hungary.
authors.forename: A
authors.initials: A
authors.lastname: Halász
authors.forename: K
authors.initials: K
authors.lastname: Polyák
authors.forename: E
authors.initials: E
authors.lastname: Pungor