Abstract：
:Orthohydroxypropiophenoneisonicotinoylhydrazone (OHPINH) is proposed as a new sensitive reagent for the spectrophotometric determination of aluminum(III). OHPINH formed a greenish-yellow colored complex with aluminum(III) in buffer solutions of pH 1 to 3. The color in pH 2 was stable for more than 48 h. The complex solution has given maximum absorbance at 390 nm when the reagent was chosen as blank and the absorbance of the reagent at this wavelength is negligible; the molar absorptivity and Sandell's sensitivity being 0.6371x10(4) L mol(-1) cm(-1) and 4.234x10(-3) microg cm(-2), respectively. The system obeys Beer's law in the range of 0.5-3.5 microg mL(-1) with excellent linearity in terms of the correlation coefficient value of 0.999. Most of the common metal ions generally found associated with aluminum(III) do not interfere. The repeatability of the method was checked by finding the relative standard deviation. The developed method has been successfully employed for the determination of aluminum(III) environmental matrices like medicinal and leafy samples, alloys, and synthetic mixtures.
journal_name
Environ Monit Assessjournal_title
Environmental monitoring and assessmentauthors
Ramachandraiah C,Rajesh Kumar J,Adinarayana Reddy S,Lee JY,Varada Reddy Adoi
10.1007/s10661-008-0654-2subject
Has Abstractpub_date
2010-01-01 00:00:00pages
23-31issue
1-4eissn
0167-6369issn
1573-2959journal_volume
160pub_type
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