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Coating Trial Charts: Keep the Vertical Scale Visible
A truncated or hidden scale can exaggerate a small difference. Readers need enough context to understand the magnitude.
Updated · NANOLAB Knowledge
Practical approach
Label axes, units and scale limits. Show the underlying values or a clear data table and explain any deliberate scale choice.
Bars spanning only a narrow range can make a one-unit difference look dramatic even when practical performance is similar.
Decision limits
Do not use presentation choices to imply a stronger result than the measurements support. Prioritize interpretable evidence over dramatic graphics.
Related guidance
- Measuring Colour Change in a Nano Coating Trial
- A Small Coating Trial Before a Multi-Site Contract
- Coating Trial Data: Keep Raw Observations Separate from Scores
- Coating Trials with Several Outcomes: Name the Primary Decision
Ask NANOLAB about the exact product and intended use. Use the current product documentation for formulation-specific instructions.
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Measuring Colour Change in a Nano Coating Trial
Plan a colour-change assessment for nano coatings with matched samples, consistent lighting and a clear distinction between visual observation and instrument data.
A Small Coating Trial Before a Multi-Site Contract
Use representative sites to test workflow and handover before scaling the same procedure.
Coating Trial Data: Keep Raw Observations Separate from Scores
A score compresses observations into a category. Retaining the underlying observations allows later review when the scoring rule is questioned.