Maybe the Instrument Is No Longer Linear Enough to Be An "8000C"
Purpose: To explore the analytical variability of the 8000C as determined by the Alcohol Test Committee during evaluation of the 8000C...
Maybe the Instrument Is No Longer Linear Enough to Be An "8000C"
Start By Defining "Reliability" don't focus on "Accuracy"
3 Consecutive Annual Inspections Reveal a Trend Towards Unreliability
Why Does the ATC Say Single Point Control Tests are Good Enough?
Response Drifts Over Time
Periodic Inspection Must Be Done Under Stable Lab Conditions
Error Rates and Drift in Precision