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An optical redox chemical sensor based on ferroin immobilised in a Nafion® membrane

✍ Scribed by Damien T Newcombe; Terence J Cardwell; Robert W Cattrall; Spas D Kolev

Book ID
118277496
Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
130 KB
Volume
401
Category
Article
ISSN
0003-2670

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An optochemical sensor for the detection of Cd(H) and Hg(II) ions in aqueous solutions can be constructed by immobilizing 5,30,15,20-tetra(4-N-methylpyridyl)porphyrin electrostatically onto thin layers (2-3 brn) of Nafion', a strongly acidic cation-exchanger. The developed procedure for sensor prepa