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Topic starter
15/01/2018 8:00 am
A comparison table places chromatographic purity and net peptide content in one column. Both are percentages, but the reports define their denominators differently. How should the table be repaired?
Discussion outline
Use replies for source-backed corrections, measurement methods and the limits of each answer. Keep proposed checks separate from completed findings.
| Field | Scope |
|---|---|
| Subject | Two laboratories, two percentages: are they measuring the same thing? |
| Exercise | Discuss the stated question; distinguish sources, interpretations and unresolved points. |
15/01/2018 8:50 am
Create separate columns for the quantity measured, method, units and denominator. Do not subtract the two percentages as though they represented a disagreement about the same measurement.
15/01/2018 10:08 am
Before comparing laboratories, ask whether sample handling, method conditions and reporting definitions are available. Missing details should be visible in the table.
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