PR 170.1 – naphthol red deep PR 170.1 – naphthol red deep Manufacturer/ product code: Kremer / 23290Chemical Description: naphthol ASColor: redColor Index: PR 170.1Date: 1983 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 )