Why is a potassium salt such as KCI frequently added when one wants to measure elemental sodium by flame photometer? Remember that the potential for the first ionization of potassium is 419 KJ/KJ/ mol while that for sodium is 496 mol

Why is a potassium salt such as KCI frequently added when one wants to measure elemental sodium by flame photometer? Remember that the potential for the first ionization of potassium is 419 KJ/KJ/ mol while that for sodium is 496 mol

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

Chapter20: Molecular Mass Spectrometry

Section: Chapter Questions

Problem 20.4QAP

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Question

Why is a potassium salt such as KCI
frequently added when one wants to
measure elemental sodium by flame
photometer? Remember that the potential
for the first ionization of potassium is 419
KJ/KJ/ mol while that for sodium is 496
mol

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