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2005•Journal of Yunnan University for NationalitesRequires access

Spectrophotometric Determination of Copper in Water with 2-(2′-Quinolinlazo)-4,5-Dimethylhydroxybenzen

Han Yong

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Abstract

The color reaction of copper(II) with 2-(2′-Quinolinlazo)-4,5-Dimethylhydroxybenzen(QADMP) was studied. In the presence of pH=4.0 HAc-NaAc buffer solution and CTMAB medium, QADMP reacts with copper (II) to form a stable 2∶1 complex. The molar absorption is 4.56×10~4 L·mol~(-1)·cm~(-1) at 561nm. Beer's law was obeyed copper in water with satisfactory results.

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The color reaction of copper(II) with 2-(2′-Quinolinlazo)-4,5-Dimethylhydroxybenzen(QADMP) was studied. In the presence of pH=4.0 HAc-NaAc buffer solution and CTMAB medium, QADMP reacts with copper (II) to form a stable 2∶1 complex. The molar absorption is 4.56×10~4 L·mol~(-1)·cm~(-1) at 561nm. Beer's law was obeyed copper in water with satisfactory results.

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Available abstract

The color reaction of copper(II) with 2-(2′-Quinolinlazo)-4,5-Dimethylhydroxybenzen(QADMP) was studied. In the presence of pH=4.0 HAc-NaAc buffer solution and CTMAB medium, QADMP reacts with copper (II) to form a stable 2∶1 complex. The molar absorption is 4.56×10~4 L·mol~(-1)·cm~(-1) at 561nm. Beer's law was obeyed copper in water with satisfactory results.

Key concepts: Copper, Chemistry, Color reaction, Buffer solution, Molar ratio, Spectrophotometry, Absorption (acoustics), Nuclear chemistry

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Spectrophotometric Determination of Copper in Water with 2-(2′-Quinolinlazo)-4,5-Dimethylhydroxybenzen — Research Paper | ScholarLens