Atramentum

 
Sample ID:
PK12030
Origin:
Vegetable
Chemical Information:
Produced from the tannic acid of oak bark in a reaction with iron salt
Sample Type:
Reference material
Description:
Powder sample (0-120 µ)
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
Ink Stone
Material Class:
Natural organic dyes and pigments
Acquisition Conditions:
Attenuated Total Reflectance (ATR) mode
Resolution: 4 cm-1
Scans: 128
Range: 4000-380 cm-1