CATALYTIC KINETIC DETERMINATION OF SILVER THROUGH ITS CATALYTIC EFFECT ON CONGO RED-PEROXODISULPHATE REACTION

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POURETEDAL H.R.; TAVAKKOL SH.

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ISSN: 2588-4824

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Paper Information

Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2003 | Volume:22 | Issue:1 Page(s): 21-26

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Title

CATALYTIC KINETIC DETERMINATION OF SILVER THROUGH ITS CATALYTIC EFFECT ON CONGO RED-PEROXODISULPHATE REACTION

Author(s)

POURETEDAL H.R. | TAVAKKOL SH. | Issue Writer Certificate

Keywords

SILVER

CATALYTIC METHODS

CONGO RED

SPECTROPHOTOMETRY

Abstract

A kinetic-spectrophotometric procedure is reported for determination of trace amounts of Ag(I). This method is based on catalytic effect of SILVER ion on the oxidation of CONGO RED by potassium peroxodisulphate at pH=3.4 and 30oC in the presence of 1,10-phenanthroline as an activator. The reaction was followed spectrophotometrically by measuring the rate of change in absorbance of CONGO RED at 510 nm in the range of 30-330 seconds after initiation of the reaction. SILVER can be determined in the range 2-100 and 100-1100 ng/ml with detection limit 1 ng/ml. Ten replicate analysis of a sample solution containing 8 ng/ml SILVER gave a relative standard deviation of 1.0%. This method was used for determination of SILVER in water and photographic plate samples.

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APA: Copy

POURETEDAL, H.R., & TAVAKKOL, SH.. (2003). CATALYTIC KINETIC DETERMINATION OF SILVER THROUGH ITS CATALYTIC EFFECT ON CONGO RED-PEROXODISULPHATE REACTION. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 22(1), 21-26. SID. https://sid.ir/paper/531527/en

Vancouver: Copy

POURETEDAL H.R., TAVAKKOL SH.. CATALYTIC KINETIC DETERMINATION OF SILVER THROUGH ITS CATALYTIC EFFECT ON CONGO RED-PEROXODISULPHATE REACTION. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2003;22(1):21-26. Available from: https://sid.ir/paper/531527/en

IEEE: Copy

H.R. POURETEDAL, and SH. TAVAKKOL, “CATALYTIC KINETIC DETERMINATION OF SILVER THROUGH ITS CATALYTIC EFFECT ON CONGO RED-PEROXODISULPHATE REACTION,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 22, no. 1, pp. 21–26, 2003, [Online]. Available: https://sid.ir/paper/531527/en

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