Cost-effective flow injection spectrophotometric assay of iron content in pharmaceutical preparations using salicylate reagent

Cost-effective flow injection spectrophotometric assay of iron content in pharmaceutical preparations using salicylate reagent

A new flow injection procedure for an assay of Fe(III) by using salicylate obtained from antipyretic powder, which is a cheap and easily available reagent, is proposed. A red complex was continuously monitored by a laboratory-made green LED colorimeter. A linear calibration was obtained in the range...

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Bibliographic Details
Published in:Talanta (Oxford) Vol. 64; no. 5; pp. 1237 - 1240
Main Authors: Udnan, Y., Jakmunee, J., Jayasavati, S., Christian, G.D., Synovec, R.E., Grudpan, K.
Format: Journal Article Conference Proceeding
Language:English
Published: Amsterdam Elsevier B.V 15-12-2004
Oxford Elsevier
Subjects:
Analysis
Analytical chemistry
Aspirin
Biological and medical sciences
Chemistry
Drugs
Exact sciences and technology
Flow injection
General pharmacology
Iron
Medical sciences
Pharmacology. Drug treatments
Salicylate
Spectrometric and optical methods
Drugs
Salicylate
Aspirin
Iron
Flow injection
Drug
Chemical analysis
Colorimetry
Acetylsalicylic acid
Calibration
Complexes
Powder
Iron III
Detection limit
Dosage form
Spectrophotometry
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Summary:A new flow injection procedure for an assay of Fe(III) by using salicylate obtained from antipyretic powder, which is a cheap and easily available reagent, is proposed. A red complex was continuously monitored by a laboratory-made green LED colorimeter. A linear calibration was obtained in the range of 1–20 mg Fe l −1 with a detection limit of 0.5 mg Fe l −1 and R.S.D.s of 1.4–5.4% ( n=3, for 1–20 mg Fe l −1). The new procedure was applied to assay iron contents in pharmaceutical preparations. The results were in good agreement with those of the USP standard method.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0039-9140
1873-3573
DOI:10.1016/j.talanta.2004.03.067