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2 cards from this section. Quick, good the night before a test.
What is a surrogate compound?
Think about how surrogates are used during measurement.
Why is calibration necessary in chemical analysis?
Focus on the correlation between data and known values.
What is the purpose of using a surrogate in analysis?
Consider the relationship between the surrogate and the analyte.
True or False: Calibration can help identify potential errors in the analysis process.
Recall the significance of measurement accuracy.
You are given a sample with an unknown concentration of a contaminant A. After extraction and analysis, you find recovery rates result in 120% efficiency. Discuss potential reasons for this anomaly.
Analyze each stage to consider how errors may have compounded.
If you extracted a chemical from a solid matrix (e.g., soil), what considerations must be addressed in comparison to liquid extraction?
Think about the unique challenges solid samples present in extraction processes.
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