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All Journal Jurnal Biogenerasi Cokroaminoto Journal of Chemical Science
Muhammad Nur Alam
Fakultas Sains, Universitas Cokroaminoto Palopo
Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Energy Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Other

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PENGARUH PEMBERIAN EKSTRAK DAUN MIMBA (Azadirachta india A. Juss) TERHADAP HAMA KUTU DAUN (Aphis craccivora) PADA TANAMAN TERONG (Solanum melongena L) Akhmad Syakur; Hasrianti; Muhammad Nur Alam; Budyanita Asrun
Jurnal Biogenerasi Vol. 7 No. 2 (2022): Jurnal Biogenerasi Vol 7 Nomor 2 tahun 2022
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v7i2.2074

Abstract

This study aims to determine the effect of neem leaf extract (Azadirachta indica A.Juss) against aphids (Aphis craccivora) on eggplant (Solanum melongena L) and to determine the concentration of neem leaf extract (Azadirachta indica A.Juss) which is effective in controlling the population aphids (Aphis craccivora) on eggplant (Solanum melongena L). This study used a randomized block design (RAK) consisting of 4 treatments and 3 replications. This treatment was based on the amount of concentration given to each group of eggplant (Solanum melongena L) consisting of P0 (Without treatment/Control), P1 (100 gr/1 liter of water), P2 (150 gr/1 liter of water), P3 (200 grams of water). gr/1 liter of water). The test results showed that neem leaf extract (Azadirachta indica A.Juss) treated with a concentration of 200 gr/1 liter of water was more effective in controlling the population of aphids (Aphis craccivora) on eggplant (Solanum melongena L) compared to other concentrations. The smallest concentration is 100 gr/1 liter of water. Neem leaf extract (Azadirachta indica A.Juss) was able to control the population of aphids because it has a high toxicity compound.
PENGARUH SUHU PIROLISIS TERHADAP KADAR FIXED CARBON DARI KARBON AKTIF KULIT BATANG SAGU Muhammad Nur Alam
Cokroaminoto Journal of Chemical Science Vol. 4 No. 2 (2022)
Publisher : Universitas Cokroaminoto Palopo

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Abstract

The purpose of this study was to determine the effect of pyrolysis temperature and chemical activation with phosphoric acid on the fixed carbon content of activated carbon and determine the pyrolysis temperature in the manufacture of activated carbon from sago bark in accordance with SNI.6-3730-1995 standards. Sago plants in Luwu Regency, South Sulawesi Province are plants that contain a lot of starch and lignin-cellulose which have the potential to be used as activated carbon. This research was initiated by smoothing the bark of sago stems with a crusher and then pyrolyzed at temperatures of 4000C, 5000C, 6000C and 7000C and then activated with 10% H3PO4. The results of this study obtained Fixed carbon successively 68.64 %; 70.86%; 76.88%; and 80.51% at various pyrolysis temperatures. Data that meets the standard of SNI No. 06-3730-1995 is at a pyrolysis temperature of 7000C, namely the fixed carbon content of 80.51. These results indicate that activated carbon from sago bark can be recommended as activated carbon that can be applied as an adsorbent in various fields.
Co-Authors Akhmad Syakur Budyanita Asrun Hasrianti