detail view sample V30_014
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 400.8 g | weight under water | 17.5 g | ||||
weight after impregnation | no value | weight after drying | 212.4 g | ||||
Umax | 663.0 % | degree of degradation | 1 | ||||
residual density | 0.14 g/cm3 | volume (water displacement) | 383.3 cm3 | ||||
density before conservation | 1.05 g/cm³ | final density | 0.55 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 73.8 % |
nail spacing | before | after | shrinkage |
radial | 23.0 mm | 22.8 mm | 0.7 % |
tangential | 26.5 mm | 25.4 mm | 4.0 % |
longitudinal | 84.1 mm | 83.7 mm | 0.4 % |
volume shrinkage: | 5.1 % |
ASE-radial | 96.6 % | ASE-tangential | 86.4 % |
ASE-longitudinal | 96.4 % | ASE volume | 89.9 % |
volume (previous state) | 382.8 cm3 | volume (final state) | 383.4 cm3 | volume shrinkage | -0.2 % |
surface (previous state) | 302.3 cm2 | surface (final state) | 301.4 cm2 | Surface change | -0.3 % |
radial cut surface (previous state) | 4463.2 mm2 | radial cut surface (final state) | 4464.6 mm2 | radial shrinkage | 0.0 % |
tangential cut surface (previous state) | 3298.8 mm2 | tangential cut surface (final state) | 3308.7 mm2 | tangential shrinkage | -0.3 % |
longitudinal measurement (previous state) | 110.2 mm | average length change | -0.1 mm | longitudinal shrinkage | -0.3 % |
ASE-radial | 100.1 % | ASE-tangential | 100.7 % |
ASE-longitudinal | 102.8 % | ASE volume | 100.4 % |
pretreatment | Keine weitere Vorbehandlung | |
impregnation | impregnant: | PEG 2000, 10-40%-Lösung mit Leitungswasser |
impregnation process: | Einlegen der Hölzer in 10%-PEG 2000-Lsg., steigern der Konzentration bis auf 40%, keine zusätzliche Erwärmung der Bäder - Tränkung bei Raumtemperatur | |
drying | Gefriertrocknung in gekühlter Kammer (ca. -30°C) | |
aftercare | Entfernen des PEG-Überschusses von der Oberfläche mit weichem Pinsel und Ethanol, Fixieren der Rinde mit Paraloid B72 (40% in Ethanol) |
duration pretreatment | no value | duration impregnation | 149 weeks | duration drying | 20 weeks |
total duration of conservation: | 169 weeks |
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