SOP Spectral Library

An exhaustive collection of Raman spectra obtained on synthetic organic pigments


Raman 785nm

Name PY191
Sample source 1 PV Fast Yellow HGR; Clariant
C.I. number C.I. 18795
Chemical class Acetoacetic arylide (Ca-salt)
Colour Yellow
Type Raman 785nm


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Name PY191
C.I. name Pigment Yellow 191
Chemical class Acetoacetic arylide (Ca-salt)
Colour Yellow
C.I. number C.I. 18795
C.A.S. number 129423-54-7
Spectrometer Renishaw inVia Raman microscope
Software WiRE 2.0
Detector CCD
Class Dispersive
Source 785 nm
Power 2.4 mW
Range 100-1800 1/cm
Data collection Scanned
Integration time 80 sec
Accumulations 8
Analyst(s) Alexia Coudray, 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 Clariant; PV Fast Yellow HGR
Sample source 2 Getty Conservation Institute; SP21179
Sample source 3 Royal Institute for Cultural Heritage (KIK/IRPA); CP#3150 (PY191 A)
Analysisid 22/100611/05
Timestamp 11/06/2010
Data processing
Baseline correction Y