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All Journal Jurnal Online Mahasiswa (JOM) Bidang Pertanian Neraca Manajemen, Akuntansi, dan Ekonomi
Arya Setiawan
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science

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PEMURNIAN MINYAK GORENG DARI BIJI KARET (Havea brasiliensisRoxb.,)MENGGUNAKAN ZEOLIT Arya Setiawan; Usman Pato; Faizah Hamzah
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 3, No 1 (2016): Wisuda Februari 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Abstract

Rubber is one of the agricultural commodities that are abundant in Indonesia. One alternative to utilizethe rubber seed is using it’s oil as cooking oil. The oils must be purified by adsorption process using zeolite. This is because rubber seed oil can not be consumed directly due to high toxiccyanide compound. The aim of this study was to obtain quality cooking oil from rubber seed in accordance with quality standard of cooking oil and a low cyanide acid content. This study was conducted experimentally by using Completely Randomized Design (CRD) with 4 treatments, namely Z1 (25% zeolite with long adsorption 8 hours), Z2 (25% zeolite with long adsorption 10 hours), Z3 (25% zeolite with long adsorption 12 hours) and Z4 (25% zeolite adsorption time 14 hours) with 4 replications. Data obtained were analyzed statistically using Analysis of Variance (ANOVA) and if F count is greater than or equal to F table then continued with DNMRT test at 5% level. The results show that the longer the time of adsorption in the refining rubber seed oil significantly decreased the contents of cyanide and acid number as well as density but increased saponification. It can be concluded that the best treatment was Z4 treatment (25% zeolite for 14 hours adsorption) with the content of cyanide1,97 ppm, acid number 2,61 mgKOH/g, saponification 143,62 mgKOH/g and density 0,898 g/ml.   Keywords: Purification, rubber seed, cooking oil, zeoliteandadsorption.
PENGARUH OVERCONFIDENT, HERDING, DAN RISK PERCEPTION TERHADAP KEPUTUSAN INVESTASI Arya Setiawan; Yosevin Karnawati
Musytari : Neraca Manajemen, Akuntansi, dan Ekonomi Vol. 4 No. 7 (2024): Musytari : Neraca Manajemen, Akuntansi, dan Ekonomi
Publisher : Cahaya Ilmu Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.8734/musytari.v4i7.2579

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh Overconfident, Herding, dan Risk Perception terhadap pembuatan keputusan investasi investor saham. Penelitian ini dilakukan terhadap 112 responden yang merupakan investor saham di Indonesia. Metode analisis regresi linier berganda digunakan untuk melihat pengaruh dari seluruh varibel independen terhadap variabel dependen. Hasil penelitian menunjukan bahwa hanya variabel Overconfident yang tidak memiliki pengaruh dalam pembuatan keputusan investasi saham. Sedangkan variabel Herding, Risk Perception memiliki pengaruh dalam pembuatan keputusan investasi saham.
Co-Authors Faizah Hamzah USMAN PATO Yosevin Karnawati