detail view sample V30_010
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 515 g | weight under water | 21.1 g | ||||
weight after impregnation | no value | weight after drying | 270.7 g | ||||
Umax | 714.0 % | degree of degradation | 1 | ||||
residual density | 0.13 g/cm3 | volume (water displacement) | 493.9 cm3 | ||||
density before conservation | 1.05 g/cm³ | final density | 0.54 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 75.2 % |
nail spacing | before | after | shrinkage |
radial | 28.6 mm | 28.4 mm | 0.7 % |
tangential | 31.4 mm | 31.7 mm | -1.1 % |
longitudinal | 82.8 mm | 82.8 mm | 0.0 % |
volume shrinkage: | -0.4 % |
ASE-radial | 96.9 % | ASE-tangential | 103.8 % |
ASE-longitudinal | 99.7 % | ASE volume | 100.8 % |
volume (previous state) | 490.5 cm3 | volume (final state) | 500.0 cm3 | volume shrinkage | -1.9 % |
surface (previous state) | 361.4 cm2 | surface (final state) | 366.9 cm2 | Surface change | 1.5 % |
radial cut surface (previous state) | 4577.4 mm2 | radial cut surface (final state) | 4665.8 mm2 | radial shrinkage | -1.9 % |
tangential cut surface (previous state) | 3678.9 mm2 | tangential cut surface (final state) | 3766.1 mm2 | tangential shrinkage | -2.4 % |
longitudinal measurement (previous state) | 109.4 mm | average length change | -0.3 mm | longitudinal shrinkage | -0.5 % |
ASE-radial | 107.1 % | ASE-tangential | 105.1 % |
ASE-longitudinal | 105.4 % | ASE volume | 104.4 % |
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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