Jan 20, 2022 · A Wyatt Eclipse AF4 system with Aijiren II Quaternary Pump, Aijiren II autosampler, Shimadzu CTO-20AC column oven was serially connected to a Shimadzu SPD-20AV UV detector, a Wyatt Dawn Heleos II MALS detector and a Wyatt OptiLab T-rEX RI detector.