Document Age Estimation Calculator
Estimate document age from ink volatile analysis and paper acidity. Uses exponential decay modeling of ink solvent evaporation.
Inputs
%
yrs
Results
Estimated Age
5.5 years
Confidence Range
3.9 – 7.2 years
Degradation Rate (k)0.15
How to Use This Calculator
- Enter Ink Volatiles Remaining, Paper pH, and Reference Sample Age.
- Review Estimated Age (years) and Confidence Range.
- Use Degradation Rate (k) to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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