SOP Spectral Library

An exhaustive collection of Raman spectra obtained on synthetic organic pigments


Raman 785nm

Name PY168
Sample source 1 Irgalite Yellow WGP; Ciba
C.I. number C.I. 13960
Chemical class Acetoacetic arylide (Ca-salt)
Colour Yellow
Type Raman 785nm


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Name PY168
C.I. name Pigment Yellow 168
Chemical class Acetoacetic arylide (Ca-salt)
Colour Yellow
C.I. number C.I. 13960
Spectrometer Renishaw inVia Raman microscope
Software WiRE 2.0
Detector CCD
Class Dispersive
Source 785 nm
Power 24 mW
Range 100-2000 1/cm
Data collection Scanned
Integration time 30 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; Irgalite Yellow WGP
Sample source 2 Getty Conservation Institute; SP21165
Sample source 3 Royal Institute for Cultural Heritage (KIK/IRPA); CP#3206 (PY168 A)
Analysisid 22/100820/04
Timestamp 20/08/2010
Data processing
Baseline correction Y