A standard containing 1.0 ppm NO3-N was treated with a reactive agent to give the absorbance of the 0.30 at 600 nm. A sample was analysed in same manner, which gave absorbance of o.15 at the same wavelength. Quantify the level of NO3-N in this sample: 0.45 ppm NO3 O 0.75 ppm NO3 0.50 ppm NO3 non of above

A standard containing 1.0 ppm NO3-N was treated with a reactive agent to give the absorbance of the 0.30 at 600 nm. A sample was analysed in same manner, which gave absorbance of o.15 at the same wavelength. Quantify the level of NO3-N in this sample: 0.45 ppm NO3 O 0.75 ppm NO3 0.50 ppm NO3 non of above

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 14.9QAP

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