A quantitative spectrophotometric procedure for iron based on a solid phase extraction using bathophenanthroline in a poly(vinyl chloride) membrane is described. In the absence of Fe2+ the membrane is colorless, but when immersed in a solution of Fe2+ and I, the membrane develops a red color as a result of the formation of an Fe2+_ bathophenanthroline complex. A calibration curve determined using a set of external standards with known concentrations of Fe²+ standardization relationship of gave a A=(8.60×10 M )×[Fe] What is the concentration of iron, in ppm, for a sample with an absorbance of 0.100.
A quantitative spectrophotometric procedure for iron based on a solid phase extraction using bathophenanthroline in a poly(vinyl chloride) membrane is described. In the absence of Fe2+ the membrane is colorless, but when immersed in a solution of Fe2+ and I, the membrane develops a red color as a result of the formation of an Fe2+_ bathophenanthroline complex. A calibration curve determined using a set of external standards with known concentrations of Fe²+ standardization relationship of gave a A=(8.60×10 M )×[Fe] What is the concentration of iron, in ppm, for a sample with an absorbance of 0.100.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A quantitative spectrophotometric procedure for iron based on a solid phase extraction using bathophenanthroline in a poly(vinyl chloride) membrane is described. In the absence of Fe2+ the membrane is colorless, but when immersed in a solution of Fe2+ and I, the membrane develops a red color as a result of the formation of an Fe2+_ bathophenanthroline complex. A calibration curve determined using a set of external standards with known concentrations of Fe²+ standardization relationship of gave a
A=(8.60×10 M )×[Fe]
What is the concentration of iron, in ppm, for a sample with an absorbance of 0.100.
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