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All Journal SAINSMAT Majalah Farmasetika Jurnal Teknik Mesin Indonesia Journal Of Chemical Process Engineering al Kimiya : Jurnal Ilmu Kimia dan Terapan
M Aras, Neny Rasnyanti
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Education Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology

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The Effectiveness of Moringa oleifera L. Seeds as A Biocoagulant in Reducing Liquid Waste of The Soft Drink Industry A, Asriani; M Aras, Neny Rasnyanti
Sainsmat : Jurnal Ilmiah Ilmu Pengetahuan Alam Vol 9, No 2 (2020): September
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/sainsmat92180002020

Abstract

The liquid waste of the soft drink industry usually uses as raw materials in the form of sugar as a flavoring with glucose as the main raw material. Thus, it is not surprising that this waste contains a lot of organic materials. Companies generally use an aerobic system to control contamination that may occur due to the high organic content contained in waste. The purpose of this study was to provide another alternative in controlling liquid industrial waste pollution by using natural coagulants in terms of reducing COD, TSS, turbidity, and pH with various doses of moringa seed coagulants. This research was conducted by finding the optimum dose of coagulant in reducing COD, TSS, turbidity and pH values. Based on the research results, the optimum dose obtained was 1.5 grams of moringa seed coagulant which can reduce TSS by 89%, turbidity 65% and COD by 88%. From these results it can be concluded that using the moringa seed coagulant can improve the quality of liquid waste in the soft drink industry.Keywords: moringa seeds, biocoagulant, liquid waste industry, COD, TSS
Uji Performa Pengaruh Gliserin dalam Formulasi Sabun Cair Cuci Piring M Aras, Neny Rasnyanti; Fia Lestari, Mega
Majalah Farmasetika Vol 9, No 5 (2024)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/mfarmasetika.v9i5.56837

Abstract

Sabun merupakan produk yang wajib ada di rumah yang berpotensi untuk dikembangkan guna kenyamanan konsumen. Pembuatan sabun cuci cair menggunakan surfaktan sebagai bahan utama dengan berbagai bahan tambahan berguna meningkatkan kinerjanya. Dalam penelitian ini enam formulasi dibuat untuk menguji kinerja sabun cair cuci piring dengan menambahkan gliserin pada berbagai konsentrasi dengan bahan utama SLES (Sodium Lauryl Ether Sulphate) menggunakan metode dingin. Dengan memasukkan gliserin, SLES, dan bahan ramah lingkungan lainnya dalam formulasi sabun, dimungkinkan untuk menciptakan sabun berkualitas tinggi yang tidak hanya membersihkan secara efektif tetapi juga memberikan nutrisi dan hidrasi pada kulit, memenuhi permintaan yang terus meningkat akan produk yang berkelanjutan dan ramah kulit di industri kosmetik. Keenam variasi yang dihasilkan diukur sifat organoleptik fisik dan kimianya. Kinerja deterjen terbaik dalam hal kelembaban dan tinggi busa ditunjukkan pada formulasi F3 dengan bau yang tidak menyengat berwarna transparan, nilai FFA sebesar 0,09+0,00 dan pH 5,77+0,01 dengan kecenderungan viskositas dan kelembaban yang proporsional satu sama lain dengan campuran gliserin seiring dengan bertambahnya gliserin pada batas tertentu. Secara umum kinerja sabun yang dibuat pada enam formulasi untuk semua parameter tidak terpengaruh dengan penambahan gliserin. Dimana warna  sabun yang dihasilkan transparan, bau yang agak menyengat, kesat, pH diantara 5,85 – 5,91 dan Free Fatty Acid (FFA) sebesar 0.09 %.
Sintesis polianilin (PANi) dengan metode polimerisasi interfasial sebagai bahan dasar pembuatan sensor gas amonia (NH3) M Aras, Neny Rasnyanti; Irwan, Muh
Jurnal Teknik Mesin Indonesia Vol. 19 No. 1 (2024): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v19i1.561

Abstract

One of the main components in IoT-based devices is sensors. Polyaniline is a conductive polymer that has great potential to be developed as an active layer for chemical sensors because it has high sensitivity, is easy to synthesize and its electrical conductivity can be adjusted. This study aims to synthesize and characterize polyaniline using the interfacial polymerization method. In this study, polyaniline was synthesized by varying the aniline concentration of 2, 3, and 5 M, then its functional groups were characterized using FTIR and its conductivity and sensitivity were measured with an LCR meter. The result shows that polyaniline is in the form of emeraldine salt which is characterized by the formation of absorption bands at concentrations of 2, 3, and 5 M, respectively, 1,141.86 cm-1, 1,139 cm-1 and 1,139.93 cm-1. The highest conductivity was obtained at a concentration of 2 M, namely 4.9x10-5 and a sensitivity of 82.8% for an ammonia concentration of 100 ppm. So it can be concluded that the polyaniline obtained is a form of semiconducting emeraldine salt.
Modifikasi Bioadsorben Rumput Laut (Eucheuma Cottonii)-Abu Sekam Padi Sebagai Bioadsorben Limbah Cair Industri Minuman Ringan Salim, Agus; M Aras, Neny Rasnyanti; Sitanggang, Boy Chandra
Journal of Chemical Process Engineering Vol. 6 No. 2 (2021): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v6i2.817

Abstract

Adsorpsi bahan pencemar dengan menggunakan biomassa telah banyak diteliti dua diantaranya adalah menggunakan abu sekam padi dan rumput laut. Dalam penelitian ini bertujuan untuk mengkaji bagaimana kombinasi dua biomassa tersebut dalam menurunkan nilai cemaran limbah serta untuk mengetahui bobot adsorben dan waktu kontak optimum terhadap kemampuan bioadsorben dalam mengadsorpsi limbah cair. Efektifitas bioadsorben diuji melalui beberapa parameter yakni pH, turbiditas, kadar logam Cd, total padatan tersuspensi (TSS) dan COD. Dosis optimum yang paling efektif dalam menurunkan cemaran limbah cair industri minuman ringan adalah pada 0,5 gram dalam 150 mL limbah cair selama 30 menit dan 1.5 gram selama 30 menit pada penurunan kadar logam Cd yang diuji menggunakan adsorben abu sekam padi. Kemudian dilakukan variasi kombinasi rumput laut dan abu sekam padi 100, 75, 50, dan 25(%). Dari kombinasi tersebut rumput laut sebanyak 100% memiliki efektivitas yang paling tinggi dengan penurunan kadar pH sebesar 27 %, turbiditas sebesar 75,16 %, TSS sebesar 91,43 % dan COD sebesar 97,77 %.
FABRICATION OF CU MODIFIED NANO CHITOSAN WITH BROMOCRESOL GREEN AS INTELLIGENT PACKAGING M Aras, Neny Rasnyanti; Irwana, Adinda; Utami, Ameliana
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol 11, No 1 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i1.33742

Abstract

In recent advancements, the development of smart packaging systems for food has focused on utilizing composite materials to enhance functionality and sustainability. In this study, the composite film from chitosan and PVA was combined at various concentrations (ranging from 0.1% to 0.5%) with the addition of Cu(500mM) and 1% STPP at a 5:1 ratio. An additional indicator was included to detect fish spoilage. The synthesized chitosan material was then blended with PVA to form a composite film. The film was characterized using FTIR, which confirmed the presence of fingerprint vibrations indicating the cross-linking between TPP, chitosan, and Cu. These bonds were observed at wave numbers 1118 cm-1, 879 cm-1, and 603 cm-1. SEM analysis revealed that the film had particle sizes ranging from 865 nm to 1.49 μm. XRD analysis showed distinctive features of pure chitosan and chitosan composite. The composite film K-05 produced an amorphous structure, indicating decreased crystallinity due to the addition of STPP and Cu. The water uptake test demonstrated that an increased concentration of chitosan in the composite led to higher absorption and solubility effects. Conversely, the addition of chitosan in the film decreased water vapor permeability as determined by the water vapor permeability test. The antibacterial test conducted on all films (concentration of 0.1% to 0.5%) indicated that the films K-01 and K-02 exhibited the best zone of inhibition against Escherichia coli. This study sucessfully synthesized and characterized a smart packaging film composed of polyvinyl alcohol (PVA), chitosan, copper (Cu), and bromocresol green (BCG) indicator, designed to monitor food freshness through visual pH changes and inhibition of microbial growth.
FABRICATION OF CU MODIFIED NANO CHITOSAN WITH BROMOCRESOL GREEN AS INTELLIGENT PACKAGING M Aras, Neny Rasnyanti; Irwana, Adinda; Utami, Ameliana
al Kimiya: Jurnal Ilmu Kimia dan Terapan Vol. 11 No. 1 (2024): al Kimiya: Jurnal Ilmu Kimia dan Terapan
Publisher : Department of Chemistry, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/ak.v11i1.33742

Abstract

In recent advancements, the development of smart packaging systems for food has focused on utilizing composite materials to enhance functionality and sustainability. In this study, the composite film from chitosan and PVA was combined at various concentrations (ranging from 0.1% to 0.5%) with the addition of Cu(500mM) and 1% STPP at a 5:1 ratio. An additional indicator was included to detect fish spoilage. The synthesized chitosan material was then blended with PVA to form a composite film. The film was characterized using FTIR, which confirmed the presence of fingerprint vibrations indicating the cross-linking between TPP, chitosan, and Cu. These bonds were observed at wave numbers 1118 cm-1, 879 cm-1, and 603 cm-1. SEM analysis revealed that the film had particle sizes ranging from 865 nm to 1.49 μm. XRD analysis showed distinctive features of pure chitosan and chitosan composite. The composite film K-05 produced an amorphous structure, indicating decreased crystallinity due to the addition of STPP and Cu. The water uptake test demonstrated that an increased concentration of chitosan in the composite led to higher absorption and solubility effects. Conversely, the addition of chitosan in the film decreased water vapor permeability as determined by the water vapor permeability test. The antibacterial test conducted on all films (concentration of 0.1% to 0.5%) indicated that the films K-01 and K-02 exhibited the best zone of inhibition against Escherichia coli. This study sucessfully synthesized and characterized a smart packaging film composed of polyvinyl alcohol (PVA), chitosan, copper (Cu), and bromocresol green (BCG) indicator, designed to monitor food freshness through visual pH changes and inhibition of microbial growth.
Co-Authors A, Asriani Agus Salim Irwana, Adinda Mega Fia Lestari Muh Irwan, Muh Sitanggang, Boy Chandra Utami, Ameliana