Practice Standard Methods Of Analysis (6.3) - Introduction - part B - Environmental Quality Monitoring & Analysis, - Vol 2

Practice: Standard Methods of Analysis

Lesson 6.3Introduction - part B

Practise this section

9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the purpose of a surrogate compound?
Show hintHide hint
Think about why we want to compare something.
Question 2.
Name one common solvent used for extraction in environmental analysis.
Show hintHide hint
We discussed it in class!
3Question 3.
What is the role of a surrogate in analysis?
- To act as a contaminant
- To simulate analyte behavior
- To reduce sample size
Show hintHide hint
Consider its purpose in comparison to the analyte.
4Question 4.
True or False: Calibration is only needed when the analyte concentration is high.
- True
- False
Show hintHide hint
Think about the necessity of accurate measurements.
Question 5.
Design an extraction method for an analyte suspected to be present in very low concentrations in a complex mixture. Outline the steps and reasoning behind your choices.
Show hintHide hint
Consider the interactions between the analyte and the matrix.
Question 6.
You receive a sample with suspected high levels of matrix interferences. Describe how you would modify your analysis method to effectively measure the analyte.
Show hintHide hint
Think about the composition of your sample and how you can optimize extraction.

5 more questions in this section. Enroll free to practise them all.