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Thiourea as a complexing agent for reduction of copper interference in the determination of selenium by hydride generation/atomic absorption spectrometry

✍ Scribed by Bye, Ragnar.; Engvik, Liv.; Lund, Walter.


Book ID
120085734
Publisher
American Chemical Society
Year
1983
Tongue
English
Weight
266 KB
Volume
55
Category
Article
ISSN
0003-2700

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Iron(II1) has a very effective releasing effect on the depressive interference from copper(I1) on the determination of selenium by hydride-generation atomic absorption spectrometry. In solutions with 100 mg 1-l Cu(II), 10 pg 1-l Se(IV) and 2.0 mol 1-l HCl, the absorbance obtained was much higher wh