Investigasi senyawa metalporfirin yang terkandung dalam crude oil fraksi asphaltene = Investigation metalporfirin compound in crude oil asphaltene fraction

Studi kandungan senyawa metalloporphyrin fraksi diklorometana dalam asphaltenes crude oil duri = Study the content of metalloporphyrin compounds in the dichlorometana fraction in the asphaltenes of duri crude oil

Investigasi senyawa metalloporphyrin dalam maltenes crude oil duri = Investigation of metalloporphyrin compound in maltenes of duri crude oil

Identifikasi kandungan logam dan organoporfirin penyebab turunnya kinerja katalis dalam proses RCC (Residue Catalytic Cracking) crude oil duri = Identification of metal content and organoporphyrin which causes decrease of catalyst performance in RCC (Residue Catalytic Cracking) process duri crude oil

Studi pengembangan metode isolasi senyawa organoporfirin menggunakan teknik kromatografi dan ekstraksi pada crude oil duri = Studies isolation method of organoporfirin compounds with chromatography and extraction in crude oil