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Phosphate ions interfere with the atomic absorption spectrometric determination of calcium due to the formation of calcium phosphate that does not easily break up into atoms in the natural gas/air flame. The interference can be minimized by doing the following except A. using a natural gas/oxygen flame B. adding an excess amount of strontium chloride C. adding EDTA to the sample D. adding an excess amount of sodium sulfate E. adding an excess amount of lanthanum(III) chloride

Phosphate ions interfere with the atomic absorption spectrometric determination of calcium due to the formation of calcium phosphate that does not easily break up into atoms in the natural gas/air flame. The interference can be minimized by doing the following except A. using a natural gas/oxygen flame B. adding an excess amount of strontium chloride C. adding EDTA to the sample D. adding an excess amount of sodium sulfate E. adding an excess amount of lanthanum(III) chloride

Chemistry
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Phosphate ions interfere with the atomic absorption spectrometric determination of calcium due to the formation of calcium phosphate that does not easily break up into atoms in the natural gas/air flame. The interference can be minimized by doing the following except A. using a natural gas/oxygen flame B. adding an excess amount of strontium chloride C. adding EDTA to the sample D. adding an excess amount of sodium sulfate E. adding an excess amount of lanthanum(III) chloride
Transcribed Image Text:Phosphate ions interfere with the atomic absorption spectrometric determination of calcium due to the formation of calcium phosphate that does not easily break up into atoms in the natural gas/air flame. The interference can be minimized by doing the following except A. using a natural gas/oxygen flame B. adding an excess amount of strontium chloride C. adding EDTA to the sample D. adding an excess amount of sodium sulfate E. adding an excess amount of lanthanum(III) chloride
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