Experiment No: 10 SPECTROPHOTOMETRIC DETERMINATION OF IRON RESULTS AND INTERPRETATIONS Table 10.1. Maximum wavelength for Fe-phenanthroline complex. Parameter Value Maximum wavelength, nm 496.7 Table 10.2. Calibration curve for Fe-phenanalina namalex. Concentration, ppm Absorpance at 0.00 0.000 0.216 0.414 0.612 1.00 2.00 3.00 4.00 5.00 0.790 0.984 Equation of the Best-Fit Line (y = mx + b) Coefficient of Determination (r*) Table 10.3. Determination of the concentration of the unknown. Trial 1 Parameter Trial 2 Absorbance of Unknown Solution at 2.. Concentration of the Unknown Solution Average Concentration of the Unknown Solution 0.553 0.554 Note: Provide the calibration curve (with appropriate title, axis labels, etc.) and the calculation of the concentration of the unknown solution. Signature:

Experiment No: 10 SPECTROPHOTOMETRIC DETERMINATION OF IRON RESULTS AND INTERPRETATIONS Table 10.1. Maximum wavelength for Fe-phenanthroline complex. Parameter Value Maximum wavelength, nm 496.7 Table 10.2. Calibration curve for Fe-phenanalina namalex. Concentration, ppm Absorpance at 0.00 0.000 0.216 0.414 0.612 1.00 2.00 3.00 4.00 5.00 0.790 0.984 Equation of the Best-Fit Line (y = mx + b) Coefficient of Determination (r*) Table 10.3. Determination of the concentration of the unknown. Trial 1 Parameter Trial 2 Absorbance of Unknown Solution at 2.. Concentration of the Unknown Solution Average Concentration of the Unknown Solution 0.553 0.554 Note: Provide the calibration curve (with appropriate title, axis labels, etc.) and the calculation of the concentration of the unknown solution. Signature:

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter14: Applications Of Ultraviolet-visible Molecular Absorption Spectrometry

Section: Chapter Questions

Problem 14.23QAP

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