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3 cards from this section. Quick, good the night before a test.
What is an analyte?
Consider what you are trying to measure in a sample.
Name two common extraction methods.
Think of types of methods used in laboratories.
What is the term for the lowest concentration that can be reliably detected?
It's the 'minimum' level that can be detected.
True or False: Solid-phase extraction can lead to more controlled sample loss compared to liquid-liquid extraction.
Think about the advantages of using solids instead of mixing liquids.
A sample of water contains an analyte at 0.2 mg/L with a minimum detection limit of 0.5 mg/L. Explain the steps required to measure this analyte.
What method can you apply to make the concentration detectable?
If you obtain a recovery of 70% for a known concentration of 10 micrograms, what is the true concentration in your original sample if you measured 7 micrograms?
Consider how recovery values affect your measurements.
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