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Octadecyl Silica Membrane Disks Modified with a New Schiff's Base for the Preconcentration of Lead and Copper before Their Determination in Water Samples by Mohammad Reza Ganjali; Mohammad Reza Pourjavid; Leila Hajiagha Babaei; Masoud Salavati-Niasari is a Chemistry article available to read on EtoBox.
What is Octadecyl Silica Membrane Disks Modified with a New Schiff's Base for the Preconcentration of Lead and Copper before Their Determination in Water Samples about?
## Abstract A simple and fast method for the extraction and determination of ppt level of Pb^2+^ and Cu^2+^ ions using octadecyl‐bonded silica membrane disks modified by a new tetradentates Schiff's base [Bis(2, 4‐dimethoxy benzaldehyde) ethylen diimine](TDSB) and inductively coupled plasma atomic emission spectrometry is described. Extraction efficiency, and influence of flow rate, pH, type and the least amount of acid for stripping of Cu^2+^ and Pb^2+^ from the modified disks and break through volume were evaluated. The maximum capacity of the membrane disks modified by 5 mg of TDSB used was found to be 347±7 and 470±6 μg of copper and lead, respectively. The concentration factor is 500 (for 2500 mL water sample and flow rate of 20 mL min^‐1^) and detection limit of the proposed method is 12.5 and 150.5 pg/ml for Cu^2+^and Pb^2+^, respectively. The method was applied to the determination of Cu^2+^ and Pb^2+^ ions from various water, wastewater, black tea, and hot pepper samples.
Who reads Octadecyl Silica Membrane Disks Modified with a New Schiff's Base for the Preconcentration of Lead and Copper before Their Determination in Water Samples?
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- Author
- Mohammad Reza Ganjali; Mohammad Reza Pourjavid; Leila Hajiagha Babaei; Masoud Salavati-Niasari
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); Societa chimica italiana; Wiley (ISSN 0003-4592)
- Published
- 2004
- Language
- EN
- Field
- Chemistry (Physical Sciences)