SOP Spectral Library

An exhaustive collection of Raman spectra obtained on synthetic organic pigments


Raman 785nm

Name PO31
Sample source 1 Cromophtalorange 4R; Ciba
C.I. number C.I. 20050
Chemical class Disazo condensation
Colour Orange
Type Raman 785nm


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Name PO31
C.I. name Pigment Orange 31
Chemical class Disazo condensation
Colour Orange
C.I. number C.I. 20050
Spectrometer Renishaw inVia Raman microscope
Software WiRE 3.4
Detector CCD
Class Dispersive
Source 785 nm
Power 2.4 mW
Range 100-2000 1/cm
Data collection Scanned
Integration time 50 sec
Accumulations 10
Analyst(s) Marie-Christine Maquoi, Wim Fremout
Institution Royal Institute for Cultural Heritage (KIK/IRPA)
Address Jubelpark 1, 1000 Brussels, Belgium
Tel +32 2 739 68 46
Fax +32 2 732 01 05
Email (unhide)
Sample source
Sample source 1 Ciba; Cromophtalorange 4R
Sample source 2 Historische Farbstoffsammlung, TU Dresden; ref. 8906
Sample source 3 Royal Institute for Cultural Heritage (KIK/IRPA); CP#3702 (PO31 A)
Analysisid 22/150804/02
Timestamp 4/08/2015
Data processing
Baseline correction N