
Keywords: تثبیت کننده نور آمین تضعیف شده; Hindered amine light stabilizer; Characterization; Quantitative determination; Separation techniques; Mass spectrometryCS 119, Chimassorb 119; CS 944, Chimassorb 944; CS 2020, Chimassorb 2020; CY 3529, Cyasorb 3529; CY 3853, Cyasorb 3853; LA 68LD, Adekast