detail view sample V25_019

sample: V25_019
treatment method: Einstufige PEG-Konservierung
Conservation Laboratory: Natmus Kopenhagen

Before and after view

sample
wet weight 829.5 g weight under water 50 g
weight after impregnation no value weight after drying 480.1 g
Umax 453.0 % degree of degradation 1
residual density 0.19 g/cm3 volume (water displacement) 779.5 cm3
density before conservation 1.06 g/cm³ final density 0.62 g/cm³
impregnation no value proportion of impregnating agent 66.9 %

survey data (caliper method)
nail spacing before after shrinkage
radial 60.7 mm 60.1 mm 0.9 %
tangential 59.4 mm 59.1 mm 0.6 %
longitudinal 90.5 mm 90.1 mm 0.4 %
volume shrinkage: 1.9 %

ASE-radial 90.1 % ASE-tangential 98.1 %
ASE-longitudinal 55.8 % ASE volume 95.0 %

survey data (3D scan)
volume (previous state) 784.2 cm3 volume (final state) 774.5 cm3 volume shrinkage 1.2 %
surface (previous state) 552.3 cm2 surface (final state) 536.7 cm2 Surface change -2.8 %
radial cut surface (previous state) 6282.0 mm2 radial cut surface (final state) 6215.0 mm2 radial shrinkage 1.1 %
tangential cut surface (previous state) 6341.5 mm2 tangential cut surface (final state) 6341.1 mm2 tangential shrinkage 0.0 %
longitudinal measurement (previous state) 127.5 mm average length change -0.2 mm longitudinal shrinkage -0.3 %

ASE-radial 97.2 % ASE-tangential 100.0 %
ASE-longitudinal 112.4 % ASE volume 96.7 %

scan view [open 3D view in new tab]

preservation method (details)
pretreatment Keine weitere Vorbehandlung
impregnation impregnant: PEG 2000, 10-40%-Lцsung 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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