Journal Description

Rafflesia Journal of Natural and Applied Sciences (RJNAS) with e-ISSN: 2808-3806 is an open access and peer reviewed journal published by Department of Chemistry, Universitas Bengkulu, Indonesia. This journal is published two times per year (April and October). RJNAS publishes research papers, review and short communication in field of Chemistry, Natural, and Applied Sciences. RJNAS accept articles written in Bahasa Indonesia and English (preferable). 

Current Issue

Vol. 2 No. 2 (2022): Oktober

Published: October 31, 2022

Articles

Synthesis of porous Hydroxyapatite (HAp) from Laying Chicken Waste Eggshells

10.33369/rjna.v2i2.23931
Agung Rimayanto Gintu (1), Elizabeth Betty E. Kristiani (2), Yohanes Martono (3)
(1) Universitas Kristen Satyawacana ,
(2) Universitas Kristen Satyawacana ,
(3) Universitas Kristen Satyawacana
147-159
PDF
53

Storage modeling standard Cr(VI) solution based on comparison of time regression value with UV-Vis spectrophotometry

10.33369/rjna.v2i2.23934
FACHRURRAZIE (1), Elfiwani (2)
(1) Politeknik AKA Bogor ,
(2) Politeknik AKA Bogor
176-183
PDF
55

Effect of Liquid Rubber Compound on the Physicochemical Properties of Particle Board from Coconut Frond Powder

10.33369/rjna.v2i2.23932
Teja Dwi Sutanto (1), Charles Banon (2), Bambang Trihadi (3)
(1) Universitas Bengkulu ,
(2) Universitas Bengkulu ,
(3) Universitas Bengkulu
184-189
PDF
71

Analysis of total phenolics and flavonoids content from methanol extract of Caesalpinia bonduc (L.) Roxb. seeds and antioxidant activity assay

10.33369/rjna.v2i2.23929
Samriani Samriani (1), Hasnah Natsir (2), Seniwati Dali (3), Abdul Wahid Wahab (4), Nunuk Hariani Soekamto (5), Paulina Taba (6)
(1) Universitas Hasanuddin ,
(2) Universitas Hasanuddin ,
(3) Universitas Hasanuddin ,
(4) Universitas Hasanuddin ,
(5) Universitas Hasanuddin ,
(6) Universitas Hasanuddin
167-175
PDF
59

Chemical characteristic of Fly ash and Bottom ash as potential source for synthesis of Aluminosilicate-based materials

10.33369/rjna.v2i2.23935
Elda ALYATIKAH (1), Siswo (2), Riaa Safitri (3), Tety Wahyuningsih Manurung (4), Rendy Muhamad Iqbal (5)
(1) Universitas Palangkaraya ,
(2) Universitas Palangkaraya ,
(3) Universitas Palangkaraya ,
(4) Universitas Palangkaraya ,
(5) Universitas Palangkaraya
160-166
PDF
62

Antibacterial Edible Coating of Ipomea batatas Incorporated with Lactobacillus acidophilus

10.33369/rjna.v2i2.23933
Miksusanti miksusanti (1), Najmatul Asriah (2), Indah Solihah (3), Dina Permata Wijaya (4)
(1) Universitas Sriwijaya ,
(2) Universitas Sriwijaya ,
(3) Universitas Sriwijaya ,
(4) Universitas Sriwijaya
135-146
PDF
68
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