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INDONESIA
MARINA CHIMICA ACTA
Published by Universitas Hasanuddin
ISSN : 14112132     EISSN : 26206145     DOI : -
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
When the first time appeared in 1999, Marina Chimica Acta was introduced as trilingual journal meaning that we can accept to publish articles in any kind of three languages such as bahasa Indonesia, English, and French. Starting April 2017, however, the publication has been made in English only, no more in bahasa Indonesia nor in French. Currently, Marina Chimica Acta is an international medium and occasional reviews of the publications of original studies (research papers) and occasional reviews in the field of marine chemistry. The journal will endeavor to cover all aspects, from chemical processes to theoretical and experimental work, and by providing a central channel of communication, to speed the flow of information in rapidly expanding disciplines. Submitted paper should be written in English.
Arjuna Subject : -
Articles 83 Documents
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VOLATILE COMPOUNDS’ CHARACTERIZATION OF N-HEXANE EXTRACTS OF TERASA’S FOREST HONEY Aulia Winaldi; Alfian Noor; Firdaus Firdaus
Marina Chimica Acta Vol. 19 No. 1 (2018): Volume 19, No. 1 (2018)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.71 KB) | DOI: 10.20956/mca.v19i1.4206

Abstract

This study aims to identify volatile compounds that are characteristic of the honey of Terasa village of Sinjai regency of South Sulawesi, volatile honey extracted with n-hexane solvent then identified by Gas Chromatography Mass Spectroscopy (GCMS) method. The results obtained 59 volatile compounds derived from honey are grouped into compounds namely hydrocarbons, aldehydes, ketones, alcohols, esters, bensenoid and carboxylic acids. Based on comparative results with other honey regions it is known that volatile compounds that become characteristic of honey Terasa village that is compound Tetrasilaoktana
UTILIZATION OF HYDROXIDE COMPOUND AS CO2 ABSORBENT FOR MEASUREMENT OF CARBON-14 IN CORAL REEF SAMPLE FROM SPERMONDE ARCHIPELAGO Alfian Noor; Muhammad Zakir; Maming Gaffar
Marina Chimica Acta Vol. 17 No. 2 (2016): Volume 17 No. 2 (2016)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (262.447 KB) | DOI: 10.20956/mca.v17i2.1121

Abstract

The use of hydroxide compounds as CO2 absorbents for Measurement of Carbon-14 in Coral Reef Sample fromSpermonde Archipelago. This research aimed to determine the age of coral reef sample of Spermonde Archipelago by measuring the activity of carbon-14 using the method Liquid Scintillation Counting (LSC). The coral reef sample was collected in Langkai Island. The research was conducted by following steps of sample preparation, the CO2 absorption using the hydroxide solutions (KOH and NaOH). The measurement of the carbon-14 activities was performed using the Liquid Scintillation Counter (LSC) Hidex 300 SL. The research results indicated that the absorption capacities of KOH and NaOH were 0,450 and 0,425 mol CO2/mol hydroxide respectively. The specific activity of coral reef sample using absorbent KOH and NaOH were 14.51; and 14.57 DPM/g C, respectively.The age of coral reef sample, which was calculated based on the specific activity values using the absorbents KOH and NaOH were 436.13; and 403.61years, respectively.
ENVIRONMENTAL AWARENESS OF PEOPLE AT DIFFERENT OCCUPATIONAL LEVELS: A CASE STUDY ON THE FARMERS, HOSPITAL AND INDUSTRIAL WORKERS, BANGLADESH Shamim Al Mamun; Tanmoy Roy Tusher; Muliadi Muliadi; Muhammad Sirajul Islam; Asm Saifullah
Marina Chimica Acta Vol. 18 No. 2 (2017): Volume 18 No. 2 (2017)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/mca.v18i2.2686

Abstract

The study was conducted to find out the level of environmental awareness of the farmers, hospital and industrial workers at Tangail Sadar Upazila in Tangail District, Bangladesh. The study included a questionnaire survey on a total of 390 respondents including 130 farmers, 130 hospital workers and 130 industrial workers in relation to their perception and awareness about several global and local environmental issues. Among the respondents 48.4% farmers were illiterate while all of the hospital and industrial workers passed the minimum level of education i.e. primary level. Only 12.1% and 6.6% of the hospital and industrial workers, respectively, completed their graduation whereas no farmer was found who completed the graduation. The study showed that the extent of environmental awareness varies among people at different occupational levels. The level of environmental awareness among the hospital workers was quite satisfactory than other groups of respondents. Industrial workers have comparatively better idea as their level of education was quite better than the farmers. Moreover, 33.6%, 58.2% and 35.6% of the farmers, hospital and industrial workers, respectively, participated in different awareness rising programs. The result of the study depicted that the hospital workers are much more conscious about different environmental issues than the others as their educational background was comparatively higher and also as they have participated comparatively in large number of environmental programs.

Page 9 of 9 | Total Record : 83

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