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- W4296981171 abstract "A compound of Calix-4-arenes was prepared, as a sensitive and selective spectrophotometric method was proposed for the rapid determination of Iron (III)in analytical sample, the proposed method was based on the formation blue complex with Calix-4-arenes as a chromogenic reagent that has a highly absorption at λmax 592 nm. The reaction was instantaneous at pH=7.0, the absorbance of complex was stable for about 24hr. Linearity was observed from1.18 -8.0 μg.ml-1 with detection limit of 0.75μg.ml-1. Recovery and relative error values of precision and accuracy of method were found to be R.S.D.% = 0.92%,Re% = 99.45% and Erel = 0.55 % . The nature of complex showed that (Metal : Ligand) ratio was 1:1 at pH=7and the stability constant of ( 0.422x1010 L1.mole-1).The influence of chemical iand physical parameter and are evaluated . The proposed method was applied successfully to determine Fe (III) in analytical sample" @default.
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- W4296981171 date "2011-12-01" @default.
- W4296981171 modified "2023-10-14" @default.
- W4296981171 title "New Method of Synthesis of Calix-4-arenes as Analytical Reagent for Spectrophotometric Determination of Iron (III)" @default.
- W4296981171 doi "https://doi.org/10.32947/ajps.v10i2.293" @default.
- W4296981171 hasPublicationYear "2011" @default.
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