Wieloch, T.; Helle, G.; Heinrich, I.; Voigt, M.; Schyma, P. (2011): A novel device for batch-wise isolation of α-cellulose from small-amount wholewood samples. Dendrochronologia, 29, 2, 115-117.

Wood Chemistry (Elemental analysis and extraction of wood constituents (cellulose, lignin))

Cellulose extraction

Ultrasonic Homogenisation of cellulose

Freeze drying devices 

Extracted, homogenized cellulose

Weighing chamber

3 micro balances mounted on special tables are being used for weighing samples for Isotope Ratio Mass Spectrometry (IRMS)

Vacuum drying oven

2 Vacuum drying ovens are used to store cellulose samples and reference material for IRMS

Dissection of tree rings with scalpell under binocular
Extraction of cellulose
Ultrasonic device for homogenisation of cellulose
ultrasonic device; sonode in Eppendorf sample vial
Freeze drying device
Homogenized and dried cellulose samples in Eppendorf vials
Weighing chamber
Vacuum drying ovens

Contact

Profile photo of  Dr. Gerhard Helle

Dr. Gerhard Helle
Climate Dynamics and Landscape Evolution

Telegrafenberg
Building D, room 220
14473 Potsdam
tel. +49 331 288-1377

Chemical techniques

Mr. Heiko Baschek
Climate Dynamics and Landscape Evolution

Telegrafenberg
Building E, room 154
14473 Potsdam
tel. +49 331 288-28647

Physical techniques

Mr. David Göhring
Climate Dynamics and Landscape Evolution

Telegrafenberg
Building E, room 154
14473 Potsdam
tel. +49 331 288-28647