Spectrophotometric determination of Cu(II) in water with phenylfluorone in the presence of polyvinylpyrrolidone and inorganic electrolytes

Chmilenko, F. A.; Mikulenko, O. V.; Chmilenko, T. S.; Matorina, E. V.

doi:10.3103/s1063455x07030058

Cited by 4 publications

(2 citation statements)

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“…This point indicates a potential interest in simultaneous determination of these metal ions. Various spectrophotometric and extraction methods based on different ligands has been described for determination of copper or nickel individually [1][2][3] . Many of these methods are time consuming or require complicated and expensive instruments.…”

Section: Introductionmentioning

confidence: 99%

Third Derivative Spectrophotometric Method for Simultaneous Determination of Copper and Nickel Using 6‐(2‐Naphthyl)‐2, 3‐dihydro‐1,2,4‐ triazine‐3‐thione

Tehrani

Souri

2010

Journal of Chemistry

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A simple and sensitive derivative spectrophotometric method for simultaneous determination of nickel and copper using 6-(2- naphthyl)-2,3-dihydro-1,2,4-triazine-3-thione (NDTT) as a selective analytical reagent was developed. The complexes of metal ions with NDTT were formed immediately in basic media and extracted with chloroform. The zero-crossing measurement technique was found suitable for the direct measurement of the third-derivative value of Ni-NDTT and Cu-NDTT at 501 and 472 nm respectively. Beer’s law is obeyed in the concentration range 1-30 μg/mL for both cations with different ratios. The limit of detection was 0.26 μg/mL and 0.13 μg/mL for copper and nickel respectively. The within day and between day variations showed coefficient of variation (CV%) values less than 2.80 and 2.97 for copper and nickel respectively. The error of the determination method did not exceed 6.50%. Analysis of alloy sample showed that this method can be successfully used for simultaneous determination of Cu and Ni in real samples.

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Section: Introductionmentioning

confidence: 99%

Third Derivative Spectrophotometric Method for Simultaneous Determination of Copper and Nickel Using 6‐(2‐Naphthyl)‐2, 3‐dihydro‐1,2,4‐ triazine‐3‐thione

Tehrani

Souri

2010

Journal of Chemistry

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“…New improved spectrophotometric methods for testing and detection of rare elements were recently developed based on PF [2], e.g., determination of the Ti, Ge, and Cu content in wastewater and natural waters [3,4].…”

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confidence: 99%

Vibrational spectra of phenylfluorone and their interpretation

2011

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543.42+535.375.5 Fourier-transform IR absorption, Raman, and surface-enhanced Raman scattering spectra are presented for phenylfluorone, which is widely used as an analytical reagent in the photometric determination of high-valent metals from Groups III-VI of the Periodic Table. A geometric structure and vibrational frequencies for the phenylfluorone molecule were calculated using a quantum-mechanical density-functional method. An interpretation of its vibrational spectra was proposed for the first time. Spectral effects of phenylfluorone protonation have been studied. The geometry of phenylfluorone adsorbed on the surface of nanostructured silver films was examined.

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Extraction-Spectrophotometric Determination of Cu(II) with 6,7-Dihydroxy-4-Methyl-2-Phenylbenzopyrylium Chloride in Waters of Various Categories

Чеботарев

Dubovyi

Demchuk

et al. 2019

J. Water Chem. Technol.

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Spectrophotometric determination of Cu(II) in water with phenylfluorone in the presence of polyvinylpyrrolidone and inorganic electrolytes

Cited by 4 publications

References 1 publication

Third Derivative Spectrophotometric Method for Simultaneous Determination of Copper and Nickel Using 6‐(2‐Naphthyl)‐2, 3‐dihydro‐1,2,4‐ triazine‐3‐thione

Third Derivative Spectrophotometric Method for Simultaneous Determination of Copper and Nickel Using 6‐(2‐Naphthyl)‐2, 3‐dihydro‐1,2,4‐ triazine‐3‐thione

Vibrational spectra of phenylfluorone and their interpretation

Extraction-Spectrophotometric Determination of Cu(II) with 6,7-Dihydroxy-4-Methyl-2-Phenylbenzopyrylium Chloride in Waters of Various Categories

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