Application of FTIR spectroscopy and multivariate calibration for determination of Acid Orange 7 and Sudan II in blusher products
Novalina B. R. Purba, Abdul Rohman, Sudibyo Martono
DOI: 10.7324/JAPS.2019.91115Pages: 112-117
HPLC-FTIR spectroscopy combined with multivariate calibration for analysis of Andrographolide in Andrographis paniculata extract
Abdul Rohman, Hanifah Luthfianasari, Irnawati, Sugeng Riyanto, Mohamad Rafi, Bambang Prajogo, Muhammad Bachri Amran
DOI: 10.7324/JAPS.2021.110505Pages: 032-038