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Muhammad Nur Alam
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Program Studi Kimia, Fakultas Sains Universitas Cokroaminoto Palopo Kampus 2, Jl. Lamaranginang Kota Palopo Sulawesi Selatan
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Cokroaminoto Journal of Chemical Science
Published by Universitas Cokroaminoto Palopo
ISSN : -     EISSN : 2723438X     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Energy Materials Science & Nanotechnology
The journal publishes two continuous issues annually, which means every accepted article in February - July will be published in Issue No. 1, and every accepted articles in August - Januar will be published in Issue No. 2. scope is organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry, theoretical chemistry and applied chemistry
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 1 No. 1 (2019): Agustus" : 5 Documents clear
PEMBUATAN SABUN MANDI PADAT DARI MINYAK JELANTAH DAN BIJI KAKAO (Theobroma cacao L.) Nurasia; Puspita Sari; Suaedi
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

This research aims to make solid soap from used cooking oil and cocoa beans (Theobroma cacao L.). This research was conducted in the laboratory of natural materials at the Faculty of Science, University of Cokroaminoto Palopo. The process of making soap through several stages, namely the first stage of purification, neutralization and bleaching of used cooking oil using bleaching Earth and testing of free fatty acid levels (FFA). Purification results obtained with different variations of the stirring contact time showed good results with a decrease in free fatty acid levels in used cooking oil. The results of the analysis of fatty acid levels are calculated based on palmitic acid, lauric acid and oleic acid. The second stage is the manufacture of solid bath soap and continued with testing the quality of the soap. There are two types of soap quality testing, namely the pH test and the free alkali test. The test results showed that the pH of soap with the addition of NaOH solution with a concentration of 20%, 30% and 40% was 12. The pH level of the resulting soap did not meet the standards. The results of testing alkaline free soap bath with a concentration of 20% NaOH obtained by 22.6%, soap with a concentration of 30% NaOH of 28.92% and bath soap with a concentration of 40% NaOH of 1.66%. The results obtained are still not in accordance with the soap quality standards set by SNI.
IDENTIFIKASI GUGUS FUNGSI SENYAWA PLAVANOID DARI EKSTRAK ETANOL DAUN AKAR BULU (Merremia Fitovilia) MENGGUNAKAN SPEKTROSKOPI FT IR Sukarti; Ariandi; Ilmiati Illing; Nurasia
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

This study aims to identify the functional groups of chemical compounds from ethanol extract of akar bulu leaf (merremia fitovilia) using FT IR spectroscopy. M. fitovilia plant has been known by the people in Luwu as one of the traditional wound healing drugs in people with diabetes mellitus. The phytochemical test is known that the leaves of M. Fitovilia contains with flavanoid, alkaloids, steroids and phenolic compounds. In this study identification of functional groups of chemical compounds from the ethanol extracts of M.fitovilia leaves through sample preparation stages (sample collection, drying and sieving); extraction through ethanol maceration techniques, evaporation and FT IR analysis. The spectroscopic analysis of FT IR indicated that the ethanol extract of bilajang bulu leaves had functional groups of hydroxyl (OH), C-H aliphatic, carbonyl (C = O), olefin carbon (C = C), aromatic carbon, and alkoxy (C-O).
PEMBUATAN BIOPLASTIK BERBAHAN DASAR PATI KULIT PISANG KEPOK/SELULOSA SERBUK KAYU GERGAJI Muhammad Nur Alam; Elisusanti; Ilmiati Illing
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

Bioplastic was synthesized from starch as a result of the extract from Kepok banana peel and added with cellulose as the result of isolation of sawdust as a filler. Bioplastic mixture is added with glycerol as a plasticizer. Making bioplastics was done by the sol-gel method at a temperature of 90 oC for 1 hour from forming the sol to a bioplastic gel. Cellulose filler material varied from 0, 2, 4, and 6% w / v. The results of biodegradation testing show that bioplastics with the addition of cellulose have a higher rate of degradation than bioplastics without cellulose. Bioplastics with the highest degradation rates were obtained at cellulose addition of 2% w / v which reached degradation up to 100% for 15 days of burial. The phenomenon of bioplastic degradation is evidenced by the results of FTIR characterization which shows that bioplastic samples with cellulose additions have decreased very sharply at several peak absorption after burial. This also occurs in bioplastics without cellulose, but the decrease in peak absorption intensity is no more significant than bioplastics with cellulose addition.
IDENTIFIKASI SENYAWA STEROID DARI PANGSA KULIT DURIAN (Durio zibethinus) Ilmiati Illing; Yusiranna
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

Plants are natural ingredients that are widely used as traditional medicines and have been used for a long time by the people of Indonesia, even more popular both for the purpose of health care, treatment, and beauty, one of which is the use of durian rind as an anti-cholesterol drug based on their knowledge for generations. Although it is not yet equipped with scientifically convincing data regarding the content of active compounds that make it a nutritious drug, scientific research is needed in the form of identifying the steroid compounds contained therein. This research used maceration extraction method. A total of 50 grams of durian skin share powder was soaked with 96% ethanol which was carried out for 3 days with replacement fluid. Furthermore, the identification of secondary metabolite compounds by the Gas Chromatography-Mass Spectroscopy (GC-MS) Agilent 7890A-5975C method. Based on the results of a study conducted a share of positive durian skin containing a group of steroid compounds in the form of beta-sitosterol.
KAREKTERISASI EKSTRAK ETANOL UBI JALAR UNGU (Ipomea batatas L) MENGGUNAKAN SPEKTROSKOPI INFRARED Muhammad Yasser; Muhammad Badai
Cokroaminoto Journal of Chemical Science Vol. 1 No. 1 (2019): Agustus
Publisher : Universitas Cokroaminoto Palopo

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Abstract

Purple Sweet Potato extraction has been done by soaking with ethanol solvent for 24 hours. Ethanol extract was then characterized using Infrared spectroscopy to determine the functional groups contained in the extract. Characterization results using Infrared spectroscopy showed wave number 1053.17 cm-1 as a marker for aromatic groups, wave number 1276.92 cm-1 indicates the presence of primary or secondary OH bonds, wave number 1413.87 indicates the presence of OH bonds as phenols, wave number 1637.62 indicates the C = C bond, wave number 2941.54 shows the CH bond and wave number 3410.26 also indicates the presence of an OH group.

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