【Daily Question】Chemical Analysis Edition 2021.1.21

2021-01-21View Original

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This post was last edited by zjp on 2021-1-21 08:37. Multiple-choice question: In the spike recovery test, what determines the amount of spike to be added? A. Sample mass B. Sampling volume C. Concentration of the sample solution D. Mass of the component to be measured in the sample solution Answer: D

Reply #22021-01-21

D. Mass of the component to be analyzed in the sample solution

Reply #32021-01-21

Choose D; the amount of spike should be as equal to or as close as possible to the concentration of the substance being tested in the sample.

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【Daily Question】Chemical Analysis Edition 2021.1.21

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