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WorksheetsGENERAL QC PROCEDURES FOR TESTING LABORATORIES (PART 2)
Total questions: 8
Worksheet time: 3mins
What and Why replicate analysis? (Multiple answers)
Repeat the readings
Enhance result confident
Repetition of an experimental condition
Detect outliers and justification: Reject or accept or retest?
Main purposes of external calibration for measuring equipment? (Multiple answers)
To identify error from reference value
To clean the equipment
To repair the equipment
To apply correction factor during measurement / testing processes
Purposes of measuring equipment intermediate checks (internal calibration)? (Multiple answers)
To clean and repair the equipment
To verify the stability and validity of external calibration status and its correction factor (error)
To verify whether current correction factor still valid to continue to apply
To verify the functionality of reference standard
What is the value of Error (E) and Correction Factor (CF)?
E= -0.4; CF= +0.4
E= +0.4; CF= +0.4
E= +0.4; CF= -0.4
E= -0.4; CF= -0.4
Purposes of Quality Control (QC) Chart? (Multiple answers)
To monitor the trend of test result (result distributions)
To illustrate the data collected for record purpose
To monitor the test result obtained whether within the acceptance criteria
What is Proficiency Testing (PT)? (Multiple answers)
Same batch of sample distributed to all participated laboratories to carry out the testing within the same period
Result comparison within the participated laboratories
Result evaluation whether within the satisfactory range / z-score
Indicate laboratory's overall performance, equipment performance, test performance and personnel performance
Below which is the formula of Relative Percentage Difference (RPD) for Duplicate?
Below which is the formula of Relative Percentage Difference (RPD) for comparison against a reference value?
