TY - JOUR TI - KAJIAN PROSES EKSTRAKSI ION LOGAM Cu(II) DAN Co(II) DENGAN EKSTRAKTAN 1-fenil-3-metil-4-stearoilpirazol-5-on (HPMSP) (STUDY ON THE EXTRACTION OF Cu(II) AND Co(II) WITH 1-phenyl-3-methyl-4-stearoylpyrazol-5-one (HPMSP) AU - Kusrijadi, Ali; Sonjaya, Yaya; Sunarya, Yayan IS - Vol 3, No 1 (2002): JPMIPA: Volume 3, Issue 1, 2002 PB - Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia JO - Jurnal Pengajaran MIPA PY - 2002 SP - 41 EP - 52 UR - https://ejournal.upi.edu/index.php/jpmipa/article/view/34971/14945 AB - The extraction of Cu(II) and Co(II) with 1-phenyl-3-methyl-4-stearoylpyrazol-5-one (HPMSP) as the chelating ligand  using chloroform solvent have been studied. The extraction mechanism of Cu(II) and Co(II) and the composition of extracted species has been determined. Cu(II) and Co(II) was extracted as Cu(PMSP)2 and Co(PMSP)2. The effect of concentration HPMSP and pH has also been investigated.