detail view sample V25_012

sample: V25_012
treatment method: Einstufige PEG-Konservierung
Conservation Laboratory: Natmus Kopenhagen

Before and after view

sample
wet weight 810 g weight under water 52.5 g
weight after impregnation no value weight after drying 491.5 g
Umax 414.0 % degree of degradation 1
residual density 0.21 g/cm3 volume (water displacement) 757.5 cm3
density before conservation 1.07 g/cm³ final density 0.66 g/cm³
impregnation no value proportion of impregnating agent 66.0 %

survey data (caliper method)
nail spacing before after shrinkage
radial 56.4 mm 56.2 mm 0.3 %
tangential 53.2 mm 52.6 mm 1.1 %
longitudinal 91.5 mm 91.3 mm 0.2 %
volume shrinkage: 1.5 %

ASE-radial 97.2 % ASE-tangential 96.4 %
ASE-longitudinal 80.6 % ASE volume 96.0 %

survey data (3D scan)
volume (previous state) 757.5 cm3 volume (final state) 747.8 cm3 volume shrinkage 1.3 %
surface (previous state) 547.2 cm2 surface (final state) 530.0 cm2 Surface change -3.1 %
radial cut surface (previous state) 6253.8 mm2 radial cut surface (final state) 6214.9 mm2 radial shrinkage 0.6 %
tangential cut surface (previous state) 5655.0 mm2 tangential cut surface (final state) 5610.2 mm2 tangential shrinkage 0.8 %
longitudinal measurement (previous state) 127.1 mm average length change -0.2 mm longitudinal shrinkage -0.3 %

ASE-radial 98.4 % ASE-tangential 98.4 %
ASE-longitudinal 111.8 % ASE volume 96.6 %

scan view [open 3D view in new tab]

preservation method (details)
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

time data
duration pretreatment no value duration impregnation 149 weeks duration drying 20 weeks
total duration of conservation: 169 weeks

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