detail view sample V06_019
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 547.9 g | weight under water | 20.9 g | ||||
weight after impregnation | no value | weight after drying | 300 g | ||||
Umax | 774.0 % | degree of degradation | 1 | ||||
residual density | 0.12 g/cm3 | volume (water displacement) | 527.0 cm3 | ||||
density before conservation | 1.04 g/cm³ | final density | 0.58 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 77.8 % |
nail spacing | before | after | shrinkage |
radial | 34.4 mm | 33.5 mm | 2.7 % |
tangential | 39.5 mm | 39.6 mm | -0.2 % |
longitudinal | 78.6 mm | 78.3 mm | 0.4 % |
volume shrinkage: | 2.9 % |
ASE-radial | 79.9 % | ASE-tangential | 100.4 % |
ASE-longitudinal | 97.5 % | ASE volume | 94.4 % |
volume (previous state) | 524.6 cm3 | volume (final state) | 519.1 cm3 | volume shrinkage | 1.1 % |
surface (previous state) | 427.8 cm2 | surface (final state) | 421.3 cm2 | Surface change | -1.5 % |
radial cut surface (previous state) | 4235.1 mm2 | radial cut surface (final state) | 4164.0 mm2 | radial shrinkage | 1.7 % |
tangential cut surface (previous state) | 7204.0 mm2 | tangential cut surface (final state) | 7280.8 mm2 | tangential shrinkage | -1.1 % |
longitudinal measurement (previous state) | 142.1 mm | average length change | -0.3 mm | longitudinal shrinkage | -0.4 % |
ASE-radial | 97.5 % | ASE-tangential | 101.9 % |
ASE-longitudinal | 103.4 % | ASE volume | 98.5 % |
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 |
duration pretreatment | no value | duration impregnation | 149 weeks | duration drying | 20 weeks |
total duration of conservation: | 169 weeks |
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