detail view sample V08_030
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 1152.2 g | weight under water | 70.9 g | ||||
weight after impregnation | no value | weight after drying | 719.8 g | ||||
Umax | 442.0 % | degree of degradation | 1 | ||||
residual density | 0.20 g/cm3 | volume (water displacement) | 1081.3 cm3 | ||||
density before conservation | 1.04 g/cm³ | final density | 0.68 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 68.7 % |
nail spacing | before | after | shrinkage |
radial | 49.1 mm | 48.5 mm | 1.1 % |
tangential | 65.5 mm | 63.9 mm | 2.5 % |
longitudinal | 92.8 mm | 92.7 mm | 0.1 % |
volume shrinkage: | 3.7 % |
ASE-radial | 56.1 % | ASE-tangential | 56.1 % |
ASE-longitudinal | 81.1 % | ASE volume | 56.1 % |
volume (previous state) | 1112.3 cm3 | volume (final state) | 1062.9 cm3 | volume shrinkage | 4.4 % |
surface (previous state) | 717.0 cm2 | surface (final state) | 702.6 cm2 | Surface change | -2.0 % |
radial cut surface (previous state) | 6702.6 mm2 | radial cut surface (final state) | 6619.8 mm2 | radial shrinkage | 1.2 % |
tangential cut surface (previous state) | 11480.7 mm2 | tangential cut surface (final state) | 11196.3 mm2 | tangential shrinkage | 2.5 % |
longitudinal measurement (previous state) | 162.6 mm | average length change | -0.3 mm | longitudinal shrinkage | -0.4 % |
ASE-radial | 67.5 % | ASE-tangential | 66.1 % |
ASE-longitudinal | 481.2 % | ASE volume | 54.2 % |
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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