Madder roots

 
Sample ID:
PK37201
Origin:
Vegetable; Provenance: Turkey
Chemical Information:
Ground root of the madder plant (Rubia tinctorum)
Sample Type:
Reference material
Description:
Ground root
History of use:
Since antiquity
Sample Source:
Kremer Pigments
Alternative names:
C.I. Natural Yellow 8, NY8
Material Class:
Natural organic dyes and pigments
Acquisition Conditions:
Current intensity: 10.60 µA
Tube voltage: 40 kV
Analysis time: 300 s
No filtering, air atmosphere