PV 37 – dioxazine violet PV 37 – dioxazine violet Manufacturer/ product code: Kremer / 23451Chemical Description: dioxazineColor: violetColor Index: PV 37Date: from 1952 Reflectance Spectroscopy (350-950 nm) Reflectance Spectroscopy (200-1250 nm) Reflectance Spectroscopy (950-1700 nm) XRF Spectroscopy Raman Spectroscopy (532 nm) Raman Spectroscopy (785 nm) Raman Spectroscopy (830 nm) Raman Spectroscopy (1064 nm) FTIR Spectroscopy (non-invasive )