4.1 - Sample Collection and Storage Design
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Practice Questions
Test your understanding with targeted questions
What are the three main mechanisms of analyte loss?
💡 Hint: Think of the acronym V.R.A to remember them.
Why are glass containers preferred for organic samples?
💡 Hint: Consider the material properties of glass versus plastic.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is volatilization in the context of sample collection?
💡 Hint: Think about what happens to water when it's left out.
True or False: Adsorption can only occur with organic compounds.
💡 Hint: Consider the properties of different materials.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
A field scientist collects water samples from a river, but upon analysis, she finds significant discrepancies between the expected and actual analyte concentrations. Discuss potential reasons for these discrepancies and propose solutions.
💡 Hint: Consider what could have happened from collection to analysis.
Propose a quality control plan for a laboratory analyzing organics in water samples. Include specific methods and procedures to minimize analyte loss.
💡 Hint: Think about all the stages from collection to analysis.
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