Abstract
A simple and fast flow injection fluorescence quenching method for the determination of iron in water has been developed. Fluorimetric determination is based on the measurement of the quenching effect of iron on salicylic acid fluorescence. An emission peak of salicylic acid in aqueous solution occurs at 409 nm with excitation at 299 nm. The carrier solution used was 2 × 10−6 mol L−1 salicylic acid in 0.1 mol L−1 NH4+/NH3 buffer solution at pH 8.5. Linear calibration was obtained for 5–100 μg L−1 iron(III) and the relative standard deviation was 1.25 % (n = 5) for a 20 μL injection volume iron(III). The limit of detection was 0.3 μg L−1 and the sampling rate was 60 h−1. The effect of interferences from various metals and anions commonly present in water was also studied. The method was successfully applied to the determination of low levels of iron in real samples (river, sea, and spring waters).
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© 2010 Institute of Chemistry, Slovak Academy of Sciences
Articles in the same Issue
- Multi-elemental analysis of marine sediment reference material MESS-3: one-step microwave digestion and determination by high resolution inductively coupled plasma-mass spectrometry (HR-ICP-MS)
- Use of a diazocoupling reaction for sensitive and selective spectrophotometeric determination of furosemide in spiked human urine and pharmaceuticals
- Flow injection spectrofluorimetric determination of iron(III) in water using salicylic acid
- Liquid chromatographic determination of meloxicam in serum after solid phase extraction
- Antioxidant, antimicrobial, and tyrosinase inhibition activities of acetone extract of Ascophyllum nodosum
- Preparation and properties of surfactant-bacillolysin ion-pair in organic solvents
- Comparative evaluation of critical operating conditions for a tubular catalytic reactor using thermal sensitivity and loss-of-stability criteria
- Impact of ionic strength on adsorption capacity of chromatographic particles employed in separation of monoclonal antibodies
- Activity and regenerability of dealuminated zeolite Y in liquid phase alkylation of benzene with 1-alkene
- Polysaccharide from Anacardium occidentale L. tree gum (Policaju) as a coating for Tommy Atkins mangoes
- In vitro bioactivity and crystallization behavior of bioactive glass in the system SiO2-CaO-Al2O3-P2O5-Na2O-MgO-CaF2
- Synthesis of brushite nanoparticles at different temperatures
- Synthesis of 1-phenylbut-3-ene-1,2-dione and its attempted radical polymerization
- Vibrational spectroscopic and conformational studies of 1-(4-pyridyl)piperazine
- Theoretical binding affinities and spectra of complexes formed by a cyclic β-peptoid with amino acids
- Visual spectroscopy detection of triclosan
- Euphorbia antisyphilitica residues as a new source of ellagic acid
- A novel, stereoselective and practical protocol for the synthesis of 4β-aminopodophyllotoxins
- A novel method for N-alkylation of aliphatic amines with ethers over γ-Al2O3
Articles in the same Issue
- Multi-elemental analysis of marine sediment reference material MESS-3: one-step microwave digestion and determination by high resolution inductively coupled plasma-mass spectrometry (HR-ICP-MS)
- Use of a diazocoupling reaction for sensitive and selective spectrophotometeric determination of furosemide in spiked human urine and pharmaceuticals
- Flow injection spectrofluorimetric determination of iron(III) in water using salicylic acid
- Liquid chromatographic determination of meloxicam in serum after solid phase extraction
- Antioxidant, antimicrobial, and tyrosinase inhibition activities of acetone extract of Ascophyllum nodosum
- Preparation and properties of surfactant-bacillolysin ion-pair in organic solvents
- Comparative evaluation of critical operating conditions for a tubular catalytic reactor using thermal sensitivity and loss-of-stability criteria
- Impact of ionic strength on adsorption capacity of chromatographic particles employed in separation of monoclonal antibodies
- Activity and regenerability of dealuminated zeolite Y in liquid phase alkylation of benzene with 1-alkene
- Polysaccharide from Anacardium occidentale L. tree gum (Policaju) as a coating for Tommy Atkins mangoes
- In vitro bioactivity and crystallization behavior of bioactive glass in the system SiO2-CaO-Al2O3-P2O5-Na2O-MgO-CaF2
- Synthesis of brushite nanoparticles at different temperatures
- Synthesis of 1-phenylbut-3-ene-1,2-dione and its attempted radical polymerization
- Vibrational spectroscopic and conformational studies of 1-(4-pyridyl)piperazine
- Theoretical binding affinities and spectra of complexes formed by a cyclic β-peptoid with amino acids
- Visual spectroscopy detection of triclosan
- Euphorbia antisyphilitica residues as a new source of ellagic acid
- A novel, stereoselective and practical protocol for the synthesis of 4β-aminopodophyllotoxins
- A novel method for N-alkylation of aliphatic amines with ethers over γ-Al2O3