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Microemulsion medium-spectrophotometric determination of micro bismuth with salicylic fluorone

Wenbin Chen, Yanqiu Zhang

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Abstract

In a microemulsion medium containing SDS,n-C_4H_9OH,n-C_7H_(16) and water,the conditions of color reaction of bismuth with salicylic fluorone(SAF)are studied.The maximum absorption wavelengh of Bi-SAF-SDS complex is located at 540 nm.The apparent molar absorptivity is 3.0×10~5L·mol~(-1)·cm~(-1).Beer's law is obeyed in the range of 0-12 μg/25 mL for bismuth.The method has been applied to the determination of Bi? in steel samples and stomach medicine.

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What this paper is about

In a microemulsion medium containing SDS,n-C_4H_9OH,n-C_7H_(16) and water,the conditions of color reaction of bismuth with salicylic fluorone(SAF)are studied.The maximum absorption wavelengh of Bi-SAF-SDS complex is located at 540 nm.The apparent molar absorptivity is 3.0×10~5L·mol~(-1)·cm~(-1).Beer's law is obeyed in the range of 0-12 μg/25 mL for bismuth.The method has been applied to the determination of Bi? in steel samples and stomach medicine.

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Available abstract

In a microemulsion medium containing SDS,n-C_4H_9OH,n-C_7H_(16) and water,the conditions of color reaction of bismuth with salicylic fluorone(SAF)are studied.The maximum absorption wavelengh of Bi-SAF-SDS complex is located at 540 nm.The apparent molar absorptivity is 3.0×10~5L·mol~(-1)·cm~(-1).Beer's law is obeyed in the range of 0-12 μg/25 mL for bismuth.The method has been applied to the determination of Bi? in steel samples and stomach medicine.

Key concepts: Molar absorptivity, Microemulsion, Bismuth, Spectrophotometry, Color reaction, Absorption (acoustics), Nuclear chemistry, Chemistry

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