detail view sample V25_021
| treatment method: | Einstufige PEG-Konservierung |
| Conservation Laboratory: | Natmus Kopenhagen |
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| wet weight | 1005.7 g | weight under water | 58.8 g | ||||
| weight after impregnation | no value | weight after drying | 591.5 g | ||||
| Umax | 470.0 % | degree of degradation | 1 | ||||
| residual density | 0.19 g/cm3 | volume (water displacement) | 946.9 cm3 | ||||
| density before conservation | 1.06 g/cm³ | final density | 0.63 g/cm³ | ||||
| impregnation | no value | proportion of impregnating agent | 68.4 % | ||||
| nail spacing | before | after | shrinkage |
| radial | 62.3 mm | 61.7 mm | 0.9 % |
| tangential | 71.6 mm | 71.5 mm | 0.1 % |
| longitudinal | 93.6 mm | 93.4 mm | 0.2 % |
| volume shrinkage: | 1.2 % | ||
| ASE-radial | 90.7 % | ASE-tangential | 99.7 % |
| ASE-longitudinal | 76.3 % | ASE volume | 96.8 % |
| volume (previous state) | 945.0 cm3 | volume (final state) | 931.7 cm3 | volume shrinkage | 1.4 % |
| surface (previous state) | 588.7 cm2 | surface (final state) | 576.6 cm2 | Surface change | -2.1 % |
| radial cut surface (previous state) | 6715.0 mm2 | radial cut surface (final state) | 6625.3 mm2 | radial shrinkage | 1.3 % |
| tangential cut surface (previous state) | 7304.4 mm2 | tangential cut surface (final state) | 7313.5 mm2 | tangential shrinkage | -0.1 % |
| longitudinal measurement (previous state) | 127.5 mm | average length change | -0.1 mm | longitudinal shrinkage | -0.1 % |
| ASE-radial | 96.5 % | ASE-tangential | 100.3 % |
| ASE-longitudinal | 103.9 % | ASE volume | 96.2 % |
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| 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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