quiz 3 Flashcards
1
Q
What is QA/QC
A
a “sample” we can analyze to represent precision and accuracy of our method
1
Q
What are calibration checks and what do they a evaluate?
A
repeated analysis of a calibration standard
this checks precision
2
Q
what are Blanks and what do they evaluate?
A
blanks are analysis of a sample containing no analyte, this checks contamination, which affects accuracy and precision
3
Q
What are Lab, Method Spikes
A
they are samples with a known amount of analyte processed and analyzed as a sample
4
Q
what does a single analysis of a method spike evaluate?
A
it evaluates the accuracy
5
Q
what do multiple analyses of a method spike evaluate?
A
it evaluates the precision
6
Q
A
