Rapid EDTA determination of lead in binary alloys of lead and tin.

Autor: Tschetter MJ; Ames Laboratory-USAEC and Department of Chemistry Iowa State University, Ames, Iowa 50010, U.S.A., Bachman RZ
Jazyk: angličtina
Zdroj: Talanta [Talanta] 1974 Jan; Vol. 21 (1), pp. 106-9.
DOI: 10.1016/0039-9140(74)80070-6
Abstrakt: Binary alloys of lead and tin were dissolved in nitric acid (1 + 1) containing 10% sodium fluoride. The tin(IV) was effectively masked by the fluoride. The lead was quickly and accurately titrated with EDTA in a hexamine-buffered solution, with Xylenol Orange as indicator.
Databáze: MEDLINE