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4 cards from this section. Quick, good the night before a test.
What does the term 'volatilization' refer to in environmental analysis?
Think about how substances change from liquid to gas.
What is a method blank?
Consider it a control for checking cleanliness.
Which of the following processes contributes to analyte loss?
Think about how liquids can turn into gases.
A matrix spike is used to...
Consider how we test recovery in samples.
Design a quality control plan for an environmental laboratory. Include types of blanks, sample storage methods, and their purposes.
Think about the steps needed for each part of the QC plan.
Calculate the percentage recovery of an analyte if the initial concentration was 100 mg/L and after analysis, the measured value is 70 mg/L.
Use the formula for percentage recovery we discussed earlier.
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