detail view sample V10_038
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 1085.5 g | weight under water | 122.3 g | ||||
weight after impregnation | no value | weight after drying | 624.9 g | ||||
Umax | 196.0 % | degree of degradation | 2 | ||||
residual density | 0.38 g/cm3 | volume (water displacement) | 963.2 cm3 | ||||
density before conservation | 1.13 g/cm³ | final density | 0.68 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 37.8 % |
nail spacing | before | after | shrinkage |
radial | 47.3 mm | 46.3 mm | 2.1 % |
tangential | 54.7 mm | 52.6 mm | 3.8 % |
longitudinal | 89.3 mm | 89.4 mm | -0.1 % |
volume shrinkage: | 5.6 % |
ASE-radial | 65.8 % | ASE-tangential | 75.2 % |
ASE-longitudinal | 103.2 % | ASE volume | 75.2 % |
volume (previous state) | 962.6 cm3 | volume (final state) | 923.3 cm3 | volume shrinkage | 4.1 % |
surface (previous state) | 607.5 cm2 | surface (final state) | 589.6 cm2 | Surface change | -2.9 % |
radial cut surface (previous state) | 5587.5 mm2 | radial cut surface (final state) | 5591.4 mm2 | radial shrinkage | -0.1 % |
tangential cut surface (previous state) | 7283.3 mm2 | tangential cut surface (final state) | 7036.0 mm2 | tangential shrinkage | 3.4 % |
longitudinal measurement (previous state) | 119.5 mm | average length change | -0.1 mm | longitudinal shrinkage | -0.2 % |
ASE-radial | 100.3 % | ASE-tangential | 88.8 % |
ASE-longitudinal | 130.7 % | ASE volume | 90.4 % |
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, nachträgliche Oberflächenfestigung (partiell) mit 25%iger PEG 2000-Lsg. in Ethanol, Kleben abgängiger Späne/Fragmente mit Paraloid B72 (40% in Aceton) |
duration pretreatment | no value | duration impregnation | 182 weeks | duration drying | 30 weeks |
total duration of conservation: | 212 weeks |
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