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Showing results for tags 'HEME QC'.
Hi, I think a good monitoring of your analyzer's performance is looking at your analytes SD from month to month, and it should stay constant. If it changes that could be a sign there is a problem. My question is what is a criteria is used to say there was a change and needs investigation? 10%, 20%, 30% differenence? Or it doubled? What is a good guideline to watch for? Thank you!