6.1 - Different Kinds of Blanks
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What does the term 'volatilization' refer to in environmental analysis?
💡 Hint: Think about how substances change from liquid to gas.
What is a method blank?
💡 Hint: Consider it a control for checking cleanliness.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
Which of the following processes contributes to analyte loss?
💡 Hint: Think about how liquids can turn into gases.
A matrix spike is used to...
💡 Hint: Consider how we test recovery in samples.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a quality control plan for an environmental laboratory. Include types of blanks, sample storage methods, and their purposes.
💡 Hint: 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.
💡 Hint: Use the formula for percentage recovery we discussed earlier.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.