Measurement Uncertainty using Control Chart

L

lab_analyst

According to ASTM E2554 we can use control chart to determine uncertainty of a test (ASTM tests). The standard deviation is the uncertainty for that particular test. A2LA has the same guide. Control charting seems a simple and straightforward way to determine uncertainty.

If I follow ASTM test methods, and use control chart to determine my MU, would I meet ISO17025 Clause 5.4.6 requirement?
 

Stijloor

Leader
Super Moderator
According to ASTM E2554 we can use control chart to determine uncertainty of a test (ASTM tests). The standard deviation is the uncertainty for that particular test. A2LA has the same guide. Control charting seems a simple and straightforward way to determine uncertainty.

If I follow ASTM test methods, and use control chart to determine my MU, would I meet ISO17025 Clause 5.4.6 requirement?

Can someone help?

Thank you!!

Stijloor.
 
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