Journals
Publish with us
Publishing partnerships
About us
Blog
Journal of Spectroscopy
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Journal of Spectroscopy
/
2013
/
Article
/
Tab 2
/
Research Article
Spectrophotometric Determination of Iron(II) after Solid Phase Extraction of Its 2,2′ Bipyridine Complex on Silica Gel-Polyethylene Glycol
Table 2
The effect of different ions on the determination of 50 ng mL
−1
of iron(II).
Foreign ions
Tolerance ratio [ion]/[Fe
2+
]
K
+
,
, SCN
−
,
, Br
−
, Mg
2+
, Cl
−
1000
Pb
2+
, I
−
, Ca
2+
, F
−
500
Cd
2+
, Ba
2+
, Cr
3+
, Th(IV)
100
Ni
2+
, Hg
2+
10
Al
3+
, Cu
2+
, Co
2+
5