PY 3 – hansa yellow 10G
Available to the artists from about 1915, it was the first permanent organic yellow pigment and often replaced the more expensive cadmium yellow. The letter G indicates the amount of toning (Green), which in this greenish-yellow is quite high (10G).
Manufacturer/ product code: Kremer / 23850
Chemical description: monoazo yellow or arylamide yellow- C16H12Cl2N4O4
Color: yellow
Color Index: PY 3
More info:
Fardi, T., Journal of Analytical and Applied Pyrolysis, https://doi.org/10.1016/j.jaap.2018.09.001 “Analytical characterization of artist’s paint systems based on emulsion polymers and synthetic organic pigments”
Raman Spectroscopy 532 nm – ElviRa Spectrometer for Art
Raman 532 nm cannot identify this pigment.
Raman Spectroscopy 532 nm (ElviRa spectrometer) Pigments-Checker Database (63225 downloads )
Raman spectroscopy 785 nm
Pigments (powder, no binder)
Raman Spectroscopy 785 nm Pigments (pure, no binder) (66060 downloads )
Pigments with acrylic binder (Pigments Checker)
Raman Spectroscopy 785 nm Pigments-Checker Database (66002 downloads )
Raman spectroscopy 830 nm
Pigments (powder, no binder)
Raman Spectroscopy 830 nm Pigments-Checker Database (53535 downloads )
Raman spectroscopy 1064 nm
Pigments (powder, no binder)
Raman Spectroscopy 1064 nm Pigments-Checker Database (49388 downloads )
XRF spectroscopy
XRF cannot identify this pigment.
XRF Spectroscopy Pigments-Checker Database (75313 downloads )
Reflectance Spectroscopy (200-1000 nm) – GorgiasUV Spectrometer
Reflectance Spectroscopy (200-1000 nm) (GorgiasUV) Pigments-Checker Database (78825 downloads )
Reflectance Spectroscopy (350-950 nm) – Gorgias Spectrometer
NIR Reflectance Spectroscopy (930 – 1690 nm)
NIR-Reflectance Spectroscopy (930-1690 nm) Pigments-Checker Database (74889 downloads )
FT-IR Spectroscopy (Non-invasive Diffuse Reflectance Probe)
FTIR Diffuse Reflectance Spectroscopy Pigments-Checker Database (66647 downloads )
FTIR non-invasive Spectroscopy Pigments (pure, no binder) Database (68433 downloads )
