Gleichzeitige spektrophotometrische bestimmung des zirkoniums und Hafniums

Policec, Septimia; Simonescu, T.; Drǎgulescu, C.

doi:10.1016/0039-9140(70)80004-2

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Zirconium and Hafnium1

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1970

1973

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“…Numerous reagents have been used for the spectrophotometric determination of Zr and Hf. Anthranilic-N,Ndiacetic acid was found useful for the determination of Hf and Zr in an admixture from 2.5 to 80% of Zr in Hf and vice versa at concentrations from 2 to 36 µg Zr/ml and 3 to 70 µg Hf/ml (512). Various reducing agents for the reduction of the Hf-Mo polyacid have been studied and Sn(II) was found superior (604).…”

Section: Zirconium and Hafniummentioning

confidence: 99%