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All Journal Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Kehutanan Papuasia (Journal of Papuasia Forestry)
Muliyana Arifudin
Fakultas Kehutanan Universitas Papua
Agriculture, Biological Sciences & Forestry Environmental Science

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Journal : Jurnal Ilmu dan Teknologi Kayu Tropis

 1 
Baterai Ramah Lingkungan dari Limbah Serbuk Kayu Merbau (Intsia bijuga) dan Matoa (Pometia sp.) (Eco-friendly battery from Merbau (Intsia bijuga) and Matoa (Pometia sp.) sawdust) Dessy Ernawati; Muliyana Arifudin; Susilo B Husodo
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 17, No 1 (2019): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (141.361 KB) | DOI: 10.51850/jitkt.v17i1.463

Abstract

This research aimed to elucidate the potency of merbau and matoa sawdust as filler material of dry cell battery. The sawdust was ground, sieved to get a-80 mesh particle size and then made into paste. Then, the paste was put into the battery that its electrolyte has been removed previously. There were 40 batteries tested based on 3 treatments, namely wood species (A), charging time (B) and usage method (C). Each variable was tested with 5 replications. The battery was tested for its voltase generated and usage duration. The result indicated that the highest voltase was obtained from battery with matoa groundwood which was directly used for a stopwatch (1.99 volt), while the lowest voltase was found in battery with merbau groundwood which was kept for 20 minutes after charging, before it was used for the tested stopwatch (0.43 volt). Besides, the highest usage duration (˃20 mins) was found in both bio-batteries from merbau and matoa groundwood which were directly used after charging, with total 21 batteries. Sawdust of merbau and matoa has potency to be used as bio-battery, but their voltage generated and usage duration are still low, so several challenging problems are needed to be addressed.   
Identifikasi Senyawa Ekstraktif Kayu Cendana Papua dan Potensinya Sebagai Pengusir Nyamuk Muliyana Arifudin; Renny Purnawati; Abdul Azis
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 18, No 1 (2020): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/jitkt.v18i1.541

Abstract

Penelitian ini bertujuan untuk mengidentifikasi komponen kimia dari kayu cendana Papua (Flindersia sp.) dan menganalisa potensi pemanfaatannya sebagai pengusir nyamuk.  Metode eksperimen yang dilakukan adalah analisis fitokimia kualitatif, analisis GCMS Pirolisis, dan uji mortalitas nyamuk untuk menginvestigasi sifat anti-nyamuk dari jenis kayu ini berdasarkan SNI 06-3566-1994. Hasil analisis fitokimia menunjukkan adanya komponen fitokimia seperti alkaloid, saponin, flavonoid, terpenoid, glikosida dan fenolik. Analisis GCMS pirolisis mengindikasikan bahwa diantara 43 senyawa kimia, butylated hydroxyanisole (5,37%), carbamic acid (5,30%), 2,4 imidazolidinedione (2,13%) and hydrazin (1,23%) adalah senyawa yang berperan dalam mengusir nyamuk. Uji mortalitas nyamuk menggunakan sampel uji dengan komposisi serbuk cendana Papua dan tempurung kelapa sebesar 50:50 menunjukkan tingkat kematian nyamuk tertinggi (55,6%). Hal ini mengindikasikan bahwa jenis kayu ini berpotensi untuk dijadikan sebagai bahan kimia alami pengusir nyamuk.
Co-Authors Abdul Azis Arifandi ARMANSYAH K. RACHIM ARMANSYAH K. RACHIM Dessy Ernawati Petrus Mote Purnawati, Renny Susilo B. Husodo Susilo Budi Husodo Wahyudi Wahyudi Yuyu Rahayu