Quantitative analysis of tint in polymer pellets and disks

Application note Sampling Considerations for the Measurement of a UV s forStabilizer the Measurement in Polymer Pellets Using FT-NIR Spectroscopy ymer Pellets Using Abstract Keywords For heterogeneous samples such as polymer pellets, it is critical to obtain a Antaris, additives,…

Near-Infrared Spectroscopy Application Note NIR–3 Analysis of copolymer levels in polymer pellets by near-infrared spectroscopy This Application Note describes the determination of copolymer levels in polyethylene (PE) and polyvinylacetate (PVA) pellets using NIRS. Without any sample preparation and within less…

Optimum Parameters for UV-Vis Spectroscopy Instrument Features – Why They Matter Useful transparency ranges of common solvents in the UV region Acetone %T Tetrachloroethylene Where Transmittance T is defined as T = I/I0 and %T = 100 x I/I0 M-Xylene…

The Basics of UV-Vis Spectrophotometry A primer Contents 2 1 Basic Principles of UV-Vis Measurement 3 1.1 1.2 1.3 1.4 1.5 The electromagnetic spectrum Wavelength and frequency UV-visible spectra Transmittance and absorbance Summary 3 3 3 4 4 2 How…