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INTERNATIONAL JOURNAL OF PHARMACEUTICAL RESEARCH

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IJPR included in UGC-Approved List of Journals - Ref. No. is SL. No. 4812 & J. No. 63703

Published by : Advanced Scientific Research
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0975-2366
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IJPR 9[3] July - September 2017 Special Issue

July - September 9[3] 2017

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Quantification of Cu(II) in its samples based on stopped flow injection technique withnew ligand of hydazone

Author: SUHAIR YASEEN, BUSHRA BASHEER QASSIM, NAEEMAH OWAYED AL-LAMI
Abstract: New hydrazone ligand of 2-(4-biphenyl)imidazo[1,2-a]pyrimidine-3-hydrazone(BIPH)was prepared, identified and using in spectrophotometric determination of copper ion by forming green complex which has maximum light absorbance at 430nm. Stopped flow injection analysis with spectrophotometric detection unit was suggested to quantify Cu(II). The chemical and physical conditions of analysis were optimized.pH of 4,350ppm of BIPH, 2.8ml/min flow rate, 8 minutes as retention time, 60cm reaction coil length, 98injected volumeof Cu(II), and 130 injected volumeof BIPH were found to be optimum conditions with limited dispersion and zero dead volume.The linearity of proposed method was ranged between (0.1-1400)ppm and 0.1ppm as limit of detection. In environmental samples of tap water and wastewater, biological sample of urine, and industrial sample of alloy, Cu(II) quantification was successfully performed using the proposed method with standard addition style. The recovery percent was 98.6-100.5% and relative error percent was (-1.388)-0.499%. Statistical treatment was done on analytical results of Cu(II)quantification in wastewater and alloy samples. According to calculated t and F critical values and comparison them with tableted values, it was found that suggested method was suitable to perform Cu(II) determination in its samples with high repeatability, precision, and accuracy.
Keyword: hydrazones, stopped flow-FIA, copper ion, water contamination.
DOI: https://doi.org/10.31838/ijpr/2020.12.02.0162
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