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Purbawati Purbawati
Universitas Nahdlatul Ulama Kalimantan Timur
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Medicine & Pharmacology Social Sciences

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UJI ORGANOLEPTIK KERTAS KOMPOSIT BERBAHAN KERTAS BEKAS DAN AMPAS KELAPA (Cocos nucifera L.) Retno Prasetia; Purbawati Purbawati; Halikianoor Halikianoor
Journal of Sustainable Transformation Vol. 1 No. 1 (2022)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v1i1.8

Abstract

Coconut dregs is a waste that contain cellulose as a material for making composite paper. This study aimed to know the quality of this composite paper based on organoleptic test. Organoleptic tests were also carried out to determine the level of liking for paper based on the texture, color, and odor. Composite paper in this study made of coconut pulp and used HVS paper pulp combination. This designed experiment used a completely randomized design (CRD) with 3 replications of 3 treatments and a control. The data obtained were analyzed using the Anova test and the DMRT test with a level of 5%. Organoleptic test results with the addition of 15% coconut dregs (P1) showed the highest results of liking in terms of texture, fiber appearance, color, and odor. Based on DMRT test, P1 had significant different result than others. Thus, P1 was the most liking as composite paper. Furthermore, this research has the potential to be developed for physical test for justified this composite paper has a good paper quality.
POTENSI AMPAS KELAPA (Cocos nucifera L.) SEBAGAI ALTERNATIF BAHAN PEMBUATAN KERTAS KOMPOSIT Retno Prasetia; Purbawati Purbawati; Halikianoor Halikianoor
Journal of Sustainable Transformation Vol. 1 No. 1 (2022)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v1i1.9

Abstract

             Coconut dregs is a waste that has non-wood fiber thus it is potential as a material for making composite paper. The use of coconut dregs in this study aims to determine its potential as a raw material for making composite paper through tensile resistance and tear resistance.             The making of composite paper in this study was carried out by combining coconut pulp and used HVS paper pulp. The design used was a completely randomized design (CRD) with 3 replications consisting of 3 treatments and a control. The data obtained were analyzed using the Anova test and the DMRT test with a level of 5%..             The highest paper tensile resistance test results were obtained by P1 which was 0.26 kN / m smaller than 1.26 kN / m (P0 as a control), as well as the highest paper tear resistance test results obtained by P2 at 340 mN smaller than 666 , 4 mN (P0 as control). Based on the data obtained, the addition of coconut dregs or not in making composite paper shows a potential that does not have a significant effect. This research has the potential to be developed for better paper quality.
RANCANG BANGUN SISTEM INFORMASI PENJUALAN BERBASIS WEB DENGAN FRAMEWORK CODEIGNITER PADA APOTEK ZALTA FARMA SAMARINDA KALIMANTAN TIMUR Muhammad Irfan Permana; Purbawati Purbawati; Miftahul Huda
Journal of Sustainable Transformation Vol. 1 No. 1 (2022)
Publisher : Universitas Nahdlatul Ulama Kalimantan Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59310/jst.v1i1.16

Abstract

Zalta Farma Drugstore is a health institution in selling drug. The administration system was conventional that every transaction was manually written thus causing some problems such as error in calculation, unvalidated information, and difficulties in writing report. The aims of this research were to design and to know the implementation of information system of sale product based on website at this drugstore. The development method of this system used SDLC method with application development system such as flowchart, diagram, context, DFD, and a purposed database designing (ERD). Moreover, the used Text Editor software was Visual Studio Code in PHP programming language using framework code igniter and database using MySQL. The result was an information system of sale product based on website that used by Zalta Farma Drugstore. This system helps people in transaction thus the monthly report was produced every month
Co-Authors Halikianoor Halikianoor Halikianoor Halikianoor Miftahul Huda Muhammad Irfan Permana Prasetia, Retno