detail view sample V10_041
treatment method: | Einstufige PEG-Konservierung |
Conservation Laboratory: | Natmus Kopenhagen |
wet weight | 857.1 g | weight under water | 109.5 g | ||||
weight after impregnation | no value | weight after drying | 508.5 g | ||||
Umax | 161.0 % | degree of degradation | 3 | ||||
residual density | 0.44 g/cm3 | volume (water displacement) | 747.6 cm3 | ||||
density before conservation | 1.14 g/cm³ | final density | 0.74 g/cm³ | ||||
impregnation | no value | proportion of impregnating agent | 31.5 % |
nail spacing | before | after | shrinkage |
radial | 44.2 mm | 42.5 mm | 3.7 % |
tangential | 48.4 mm | 45.9 mm | 5.1 % |
longitudinal | 77.5 mm | 77.3 mm | 0.3 % |
volume shrinkage: | 9.0 % |
ASE-radial | 37.7 % | ASE-tangential | 66.1 % |
ASE-longitudinal | 90.3 % | ASE volume | 60.6 % |
volume (previous state) | 749.0 cm3 | volume (final state) | 686.4 cm3 | volume shrinkage | 8.4 % |
surface (previous state) | 522.6 cm2 | surface (final state) | 509.2 cm2 | Surface change | -2.6 % |
radial cut surface (previous state) | 4689.9 mm2 | radial cut surface (final state) | 4923.2 mm2 | radial shrinkage | -5.0 % |
tangential cut surface (previous state) | 6865.4 mm2 | tangential cut surface (final state) | 6561.3 mm2 | tangential shrinkage | 4.4 % |
longitudinal measurement (previous state) | 111.3 mm | average length change | -0.2 mm | longitudinal shrinkage | -0.3 % |
ASE-radial | 118.4 % | ASE-tangential | 85.4 % |
ASE-longitudinal | 153.9 % | ASE volume | 80.3 % |
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 | 182 weeks | duration drying | 30 weeks |
total duration of conservation: | 212 weeks |
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