Table 2 Percentage water content in parchment at varying RH
From: The effects of hydration on the collagen and gelatine phases within parchment artefacts
| Â | New | Historical | Medieval |
|---|---|---|---|
Tm °C | 4 | 4 | 4 |
% RH | Â | Â | Â |
55 | 14 (+/−1.0) | 11 (+/−0.8) | 16 (+/−1.1) |
65 | 19 (+/−1.3) | 18 (+/−1.3) | 21 (+/−1.5) |
75 | 21 (+/−1.5) | 20 (+/−1.4) | 24 (+/−1.7) |
86 | 23 (+/−1.6) | 20 (+/−1.4) | 25 (+/−1.8) |
95 | 26 (+/−1.8) | 24 (+/−1.7) | 28 (+/−2.0) |
98 | 26 (+/−1.8) | 23 (+/−1.6) | 29 (+/−2.1) |