![Comparison of the ability of UV-Vis and UPLC-Q-TOF-MS combined with chemometrics to discriminate recycled and virgin polyethylene - ScienceDirect Comparison of the ability of UV-Vis and UPLC-Q-TOF-MS combined with chemometrics to discriminate recycled and virgin polyethylene - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0304389421021336-ga1.jpg)
Comparison of the ability of UV-Vis and UPLC-Q-TOF-MS combined with chemometrics to discriminate recycled and virgin polyethylene - ScienceDirect
![UV-Vis spectrum (1) and (2). The bands α and β represent the Q band in... | Download Scientific Diagram UV-Vis spectrum (1) and (2). The bands α and β represent the Q band in... | Download Scientific Diagram](https://www.researchgate.net/publication/356012268/figure/fig2/AS:1088236818575361@1636467284440/UV-Vis-spectrum-1-and-2-The-bands-a-and-b-represent-the-Q-band-in-the-porphyrin-Sn.jpg)
UV-Vis spectrum (1) and (2). The bands α and β represent the Q band in... | Download Scientific Diagram
![UV-vis spectrum of porphyrin with in insert the enlargement of Q region... | Download Scientific Diagram UV-vis spectrum of porphyrin with in insert the enlargement of Q region... | Download Scientific Diagram](https://www.researchgate.net/publication/255979904/figure/fig6/AS:640640576659458@1529752024874/UV-vis-spectrum-of-porphyrin-with-in-insert-the-enlargement-of-Q-region-between-480-720.png)