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(The Effect of Concentration Of The Edta (Disodium Ethylene Diamine Tetra Acetic Acid) and The Duration of Agitation on Chelation of Iron Ion in Patchuoly Oil) Achmad Moestafa; Endang Suprijatna; Gumilar -
Warta Industri Hasil Pertanian Vol 7, No 01 (1990)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5563.323 KB) | DOI: 10.32765/warta ihp.v7i01.2316

Abstract

The traditional dark brown patchouly oil has a pleasant odour and highly demanded in international market. Recently the colour preference has changed from dark brown to a lighter colour. Souch colour can be produced using stainless steel distillation equipment or eliminate the iron ion in the brown oil by chemical means. An experiment using Na-EDTA solution has been carried out. The result showed that the use of 0.04 and 0.05 M solution will remove 95% of the iron ion. The oil colour became yellow without affecting its olfactive properties as well as well as its physical and chemical constant