The performance study of a single and double beam UV-Vis spectrophotometer on nitrite determination in groundwater

von Purbaningtias, Tri Esti
Veröffentlicht in International Seminar on Chemical Education (3. : 2019 : Yogyakarta) 3rd International Seminar on Chemical Education (2020)

Method verification of chemical oxygen demand (COD) and total suspended solid (TSS) analysis from Mentaya River

von Wiyantoko, Bayu
Veröffentlicht in International Seminar on Chemical Education (3. : 2019 : Yogyakarta) 3rd International Seminar on Chemical Education (2020)

Verification of spectrophotometry method for free formaldehyde analysis in leather

von Kurniawati, Puji
Veröffentlicht in International Seminar on Chemical Education (3. : 2019 : Yogyakarta) 3rd International Seminar on Chemical Education (2020)