Alfinda Novi Kristanti, .- and Nanik Siti Aminah, .- and Hery Suwito, .- and Hamami, .- (2013) Peningkatan kualitas minyak cengkeh dan minyak nilam melalui proses penjernihan. Jurnal Matematika dan Ilmu Pengetahuan Alam, 16 (1). pp. 31-34. ISSN 0852-4556

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Abstract

Essential oil of clove leaves and patchouli leaves are important commodity of Indonesian essential oils. However, the Indonesian essential oils face two major problems, the low quality and fluctuating prices. One cause of those problems was the production process that has not been standardized. All the traditional distillation apparatus of patchouli and clove oil were made of iron. This caused the essential oils produced is dark and cloudy because the contamination of Fe, so the price is also low. Dark and cloudy essential oils can be purified by physical or chemical method. Chemical methods can be performed using simple equipment but requires an additional chemical. Chelating method is one of chemical method that is easy and simple. Chelating method is a metal binding process by a compound possessing more than one pair of free electrons. From the previous research, EDTA has been known that was able to purify the patchouli oil and clove oil at the laboratory scale. Related to this research and applying this technology, a simply instrument was created and can be operated easily by the traditional farmers. The results showed that the quality of essential oil could be improved using this instrument to give clear oil with the increasing price .

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