NDLI: Spectrophotometric determination of trace amounts of beryllium using 1,8-dihydroxyanthrone as a new chromogenic reagent

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Spectrophotometric determination of trace amounts of beryllium using 1,8-dihydroxyanthrone as a new chromogenic reagent

Content Provider	Springer Nature Link
Author	Beiraghi, A. Babaee, S.
Copyright Year	2007
Abstract	A simple, rapid, and sensitive spectrophotometric method for the trace level determination of beryllium based on the formation of a 1:2 complex with anthralin (1,8-dihydroxyanthrone) as a new reagent is developed. A spectrophotometric method was used to determine the acidity constant and stepwise proton dissociation of the reagent. The experimental conditions for determining beryllium including the influences of pH, reagent concentration and time were evaluated and optimized. Under the optimum experimental conditions, the molar absorptivity of the complex is 0.47 × 10$^{4}$ l mol$^{−1}$ cm$^{−1}$ at 545 nm. Calibration graph was linear in the range of 0.04–1.04 μg ml$^{−1}$ with a detection limit of 0.012 μg ml$^{−1}$ and a %RSD of 0.43%, for 5 replicate determinations at 0.48 μg ml$^{−1}$ of Be(II). The interferring effect of some cations and anions was also studied. The method was applied for the determination of beryllium in beryl, silicate rock and alloys. Ethylenediaminetetraacetic acid (EDTA) was used for masking interfering ions.
Starting Page	459
Ending Page	466
Page Count	8
File Format	PDF
ISSN	1735207X
Journal	Journal of the Iranian Chemical Society
Volume Number	4
Issue Number	4
e-ISSN	17352428
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Analytical Chemistry Rock Beryl Physical Chemistry Beryllium 1,8-Dihydroxyanthrone Biochemistry Inorganic Chemistry Spectrophotometry Organic Chemistry
Content Type	Text
Resource Type	Article
Subject	Chemistry

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