Flame atomic-absorption determination of beryllium after extraction from NH(4)SCN medium with trioctylamine in MIBK

J R Castillo; M A Belarra; M Dominguez; J Aznárez

doi:10.1016/0039-9140(82)80199-9

Flame atomic-absorption determination of beryllium after extraction from NH(4)SCN medium with trioctylamine in MIBK

Talanta. 1982 Jun;29(6):485-8. doi: 10.1016/0039-9140(82)80199-9.

Authors

J R Castillo¹, M A Belarra, M Dominguez, J Aznárez

Affiliation

¹ Department of Analytical Chemistry, Science Faculty, University of Zaragoza, Zaragoza, Spain.

PMID: 18963170
DOI: 10.1016/0039-9140(82)80199-9

Abstract

A study has been made of the experimental conditions, errors, sensitivity, limits of detection and linear response range in the determination of beryllium by AAS in a nitrous oxide-acetylene flame, with aqueous or aqueous organic solutions or MIBK solutions containing the ion-pair [Be(SCN)(2-)(4)][(R(3)NH)(2+)(2)]. The interference of Al, Mg, Ti, V, Fe, Ca, Mn, Na, K, SiO(2-)(3), PO(3-)(4), Cl(-), SO(2-)(4), F(-), ClO(-)(4), H(2)BO(-)(3) and SCN(-) has been studied, and methods established for eliminating that of titanium, aluminium, fluoride and silicon.