Dia, Syahril Maulid, Anggita Rosiana Putri, and Luthfi Ahmad Muchlashi. 2024. “Detection of Adulterants Metanil Yellow in Turmeric Powder Using Fourier Transform Infrared (FTIR) Spectroscopy Combined With Chemometrics OPLS-DA and PLS”. Indonesian Journal of Chemical Analysis (IJCA) 7 (1):64-71. https://doi.org/10.20885/ijca.vol7.iss1.art7.