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3 cards from this section. Quick, good the night before a test.
Define a surrogate in environmental analysis.
Think about how it helps in measuring other substances.
What is the purpose of calibration?
Consider what we need to measure our samples accurately.
What is the purpose of adding a surrogate?
Recall the role of the surrogate.
True or False: The recovery rate should always be lower than the added amount.
Think about what recovery means.
You added 150 micrograms of surrogate and recovered 15 micrograms after analysis. What is the recovery rate?
Use the recovery calculation formula.
If your unknown sample yields a response of 240,000 and the calibration response equation is 60,000m, what is the mass of the analyte?
Utilize the calibration equation for the calculation.
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