7.1.2 - Gravimetric Measurement
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Practice Questions
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What does TSS stand for?
💡 Hint: It refers to the solids suspended in water.
Which instrument is primarily used for gravimetric measurement?
💡 Hint: Think of a device that weighs items.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is gravimetric measurement primarily used for?
💡 Hint: Think about what you need to find concentration.
True or False: The detection limit of an instrument affects the reliability of gravimetric measurements.
💡 Hint: What happens if the instrument cannot detect small masses?
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Challenge Problems
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You have a sample of water from a river known to have low TSS levels. The balance used to measure the TSS has a detection limit of 0.5 mg. Given that the water sample is only 0.2 mg of TSS when measured, what can you deduce about the accuracy of your measurement?
💡 Hint: Think about how detection limits affect what you can conclude from your findings.
A researcher finds that different samples taken from the same lake at different times yielded varying TSS results. What factors could contribute to this variability?
💡 Hint: Consider dynamics in natural environments that can cause fluctuation in water samples.
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