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Pengaruh Proses Refining Minyak Bekas Sebagai Bahan Baku Biodiesel Ni Made Suaniti; I Wayan Bandem Adnyana
Jurnal Energi Dan Manufaktur Vol 11 No 2 (2018): Published in Oktober 2018
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (306.825 KB) | DOI: 10.24843/JEM.2018.v11.i02.p08

Abstract

Penampakan minyak bekas hasil penggorengan yang berwarna coklat gelap tidak baik dikonsumsi akibat sifat fisik dan kimia minyak berubah sehingga dapat dimanfaatkan sebagai bahan bakar atau biodiesel. Tujuan penelitian ini adalah menganalisis bahan baku minyak hasil penggorengan setelah direfining dengan asam sulfat dan biodiesel hasil proses transesterifikasi dengan CaO sebagai katalis heterogen. Metode yang digunakan adalah spektroskopi Infra merah dan pengukuran secara mikroskopik. Hasil refining minyak bekas dengan asam sulfat lebih jernih dan analisis secara Infra Merah menunjukkan bahwa terjadi penurunan serapan pada berbagai bilangan gelombang dibandingkan terhadap minyak bekas. Serapan terjadi pada bilangan gelombang 2900 cm-1 diduga adanya ikatan –CH3, -CH2-, -C-H; 1656 cm1 diduga adalah ikatan C=C dan C=O; 1300 cm-1 diduga ikatan–C-H; dan 3600 cm-1 diduga adanya ikatan O-H. Secara mikroskopik menunjukkan hasil dengan ukuran partikel semakin kecil dan lebih homogen. The appearance of dark brown frying oil that is used for frying is not well consumed due to the changing physical and chemical properties of the oil so that it can be used as fuel or biodiesel. The aim of this study was to analyze the raw material of frying oil after being refined with sulfuric acid and biodiesel from the transesterification process with CaO as a heterogeneous catalyst. The method used is infrared spectroscopy and microscopic measurements. The results of refining used oil with sulfuric acid became clear and infrared analysis showed that there was a decrease in absorption at various wave numbers compared to used oil. Absorption occurred at wave numbers 2900 cm-1 was suspected to have –CH3, -CH2-, C-H bonds; 1656 cm-1 was thought to be C=C and C=O bonds; 1300cm-1 was –C-H bond; and 3600 cm-1 was suspected to be O-H bond. Microscopically shows the results with smaller and more homogeneous particle sizes.
PENGARUH EDTA DALAM PENENTUAN KANDUNGAN TIMBAL DAN TEMBAGA PADA KERANG HIJAU (Mytilus viridis) Ni Made Suaniti
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 2 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Effect of addition Etylene Diamines Tetra Acetate (EDTA) on plumbum (Pb) and cuprum (Cu)contents in green mussel (Mytilus viridis) has been decreased their metal content . One part of sample wasdestructed with ten part of acid mixture. Using a mixture 10 mL sulphuric acid and 40 mL nitric acid conc.After destruction the sample was analysed using Atomic Absorption Spectrometry (AAS) with calibrationcurve method.Result showed that Pb contents found in dry green mussel was between 28.6128 - 29.8442 mg/kg andCu contents found in dry green mssel was between 2.4239 – 2.8858 mg/kg. After adding EDTA 0,1 M at pH 4for 30 minute the contents of Pb and Cu decreased. The content of Pb in dry sample decreased to 27.3829 -27.9988 mg/kg, while the content of Cu in in dry sample decreased to 0.2579 – 0.6919 mg/kg
Studi Geseran Spektrum UV Senyawa Asam Barbiturat Pada Plat Al-TLC Si G 60 F254 Akibat Pengaruh Perbedaan pH Pengeluen Untuk Keperluan Uji Konfirmasi I. M. A. G. Wirasuta; N. G. Indriyaningsih; N. M. Suaniti
Indonesian Journal of Legal and Forensic Sciences (IJLFS) Vol 2 (2012): Indonesian Journal of Legal and Forensic Sciences
Publisher : Penerbit, sejak 2012 : Asosiasi Ilmu Forensik Indonesia dan UPT Lab. Forensik Sain dan Kriminilogi - Universitas Udayana

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Abstract

The UV-spectra-shifting of allobarbital, barbital, butalbital and phenobarbital on AL-TLC-Si gel 60 F254under exposed different pH eluent, drying TLC-plat at 110oC, and then plat placed at room temperature for morethen 17 hours has been carried out. Spectra UV were read by using TLC-Scanner 3 –Camag-Muttenz-Switzerland between 190 and 300 nm. Aim of this research was to study UV-spectra-shifting which can conducterror by confirmation test using in situ UV spectra.There was no significant UV-spectra-shifting of barbiturate on TLC-plate after exposed by mobile phase:10% HCl in methanol (pH=1), chloroform-acetone (80:20, v/v, pH=5), methanol-n-buthanol (60:40, v/v, pH=6),methanol-ammonia (100:1,5, v/v, pH=10) respectively. The significant shifting of UV spectra were obtainedafter TLC-plate exposed by cyclohexane-toluene-diethyl amine (75:15:10, v/v, pH=11) and 0,1 M KOH inmethanol (pH=12), the spectrum shifting was 66% and 23% compared with spectra at pH=1. Drying of the TLCplatesafter exposed by mobile phase conducted no significant UV-spectra shifting, except after exposed bycyclohexane-toluene-diethyl amine (the shifting was 45%). Humidity absorption while placing the TLC-platesat room temperature for more then 17 hours after exposed by strong pH base lead the shifting UV-spectra ofbarbiturate to the weak base or neutral spectra. These shifting UV-spectra should be taken in consideration onconfirmation test of barbiturate based TLC-UV in-situ spectra to reduce error.
PROFILING FISIK DAN KIMIA TABLET EKSTASI YANG BEREDAR DI WILAYAH POLDA BALI DENGAN HTPTLC-DENSITOMETRI DALAM USAHA MERUNUT JALUR PEREDARANNYA I Gede Budiartawan; Ni Made Suaniti; I Made Agus Gelgel Wirasuta
Indonesian Journal of Legal and Forensic Sciences (IJLFS) Vol 4 (2014): Indonesian Journal of Legal and Forensic Sciences
Publisher : Penerbit, sejak 2012 : Asosiasi Ilmu Forensik Indonesia dan UPT Lab. Forensik Sain dan Kriminilogi - Universitas Udayana

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Abstract

The seizures ecstasy tablets from Bali have been physical and chemical profiled. The physical characteristic of the tablets was assessed and documented. The chromatographic fingerprint has been carried out with help of the HPTLC-densitometric and the solvent of TB (cyclohexane-toluene-diethylamine, 25:3: 1 v/v). The single linkage clustering method grouped the fingerprints. Based on the physical properties, the tables were divided into 19 groups and the multivariate analysis was clustered the tablets info 6 groups based on their chemical content relationship. The amphetamine type stimulant (ATS) substances were identified in 87% of the tablets. The ATS were methylene-dioxy-methamphetamine (MDMA), methylene-dioxy-amphetamine (MDA), and ketamine. The caffeine, piperazine, and clorquinon were the chemical adjuvant, which added into the tablets. The physical and chemical profiling could be helped the authority the trace their distribution network.
ANALISIS KADAR ETANOL DENGAN GC-FID TERVALIDASI PADA SERUM TIKUS WISTAR DENGAN ASUPAN ARAK BALI DARI DESA BESAN I Ketut Budiarta; I Gusti Ayu Kunti Sri Panca Dewi; Ni Made Suaniti
CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) Vol 10 No 2 (2022): Cakra Kimia (Indonesian E-Journal of Applied Chemistry)
Publisher : Graduate Program of Applied Chemistry, Udayana University, Bali-INDONESIA

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Abstract

ABSTRAK: Arak merupakan salah satu minuman beralkohol khas Bali yang termasuk golongan C. Konsumsi berlebih dan terus menerus dapat mengakibatkan berbagai gangguan kesehatan sehingga penelitian tentang pengaruh kadar etanol dalam serum tikus wistar yang diberi asupan arak Bali perlu dilakukan. Tikus wistar dikelompokan menjadi 4 kelompok, masing-masing kelompok terdiri dari 6 ekor tikus. Kelompok kontrol tidak diberi asupan arak, kelompok I diberi asupan asupan arak 0,5 mL, kelompok II diberi 1,0 mL dan kelompok III diberi 2,0 mL, setiap hari selama 30 hari. Sampel darah diambil melalui plexus retroorbitalis, kemudian disentrifuse untuk mendapatkan serum untuk dianalisis kadar etanolnya. Kadar etanol dalam arak dan serum dianalisis dengan kromatografi gas detektor ionisasi nyala (GC-FID) tervalidasi. Validasi metode dilakukan dengan menentukan batas deteksi (LOD), batas kuantisasi (LOQ), persen koefisien variasi (% KV) dan %Recovery. Metode analisis ini sudah valid dengan LOD 0,0312 ppm, LOQ 0,1040 ppm, KV 0,85% dan %Recovery 99,77%. Lebih lanjut, peningkatan asupan arak menyebabkan peningkatan kadar etanol dalam serum tikus secara signifikan dengan p?0,05 dimana kadar tersebut sebesar 57,4667±0,70 mg/L, 79,8083±5,89 mg/L 133,4767±5,58mg/L masing-masing untuk kelompok I, II, dan III. ABSTRACT: Arak is one of the typical Balinese alcoholic beverages that belongs to group C. Continuous consumption of Balinese arak can cause various health problems, so research on the effect of ethanol levels in the serum of wistar rats fed with Balinese arak needs to be done. Wistar rats were devided into 4 groups where each group consisted of 6 rats. Control group 1 was not given alcohol intake, group I was given 0.5 mL of alcohol intake, group II was given 1.0 mL and group III was given 2.0 mL, every day for 30 days. Blood samples were taken through the retroorbital plexus, then centrifuged to obtain serum for analysis of the ethanol content. Ethanol levels in wine and serum were analyzed by validated flame ionization detector gas chromatography (GC-FID). Validation of the method is done by determining the limit of detection (LOD), limit of quantization (LOQ), percent coefficient of variation (% KV) and % recovery. This analytical method is valid with LOD 0.0312 ppm, LOQ 0.1040 ppm, KV 0.85% and %Recovery 99,77. Moreover, increasing the alcohol intake caused a significant increase in ethanol levels in rat serum with p?0.05 which the levels were 57.4667±0.70 mg/L, 79.8083 ±5.89 mg/L and 133.4767±5.58mg/L for group I, II, and III respectively.
OPTIMIZATION OF TEMPERATURE OF Urine SAMPLE STORAGE FOR THE ANALYSIS OF METAMFETAMIN CONTENT AND ITS METABOLITS WITH GC-MS I. Mahmudi; N. M. Suaniti; N. P. Diantariani
Jurnal Kimia (Journal of Chemistry) Vol. 17, No.1, Januari 2023
Publisher : Program Studi Kimia, FMIPA, Universitas Udayana (Program of Study in Chemistry, Faculty of Mathematics and Natural Sciences, Udayana University), Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JCHEM.2023.v17.i01.p04

Abstract

Suhu penyimpanan sangat mempengaruhi hasil analisis sampel metamfetamin menggunakan kromatografi gas dan spektroskopi massa. Optimasi suhu penyimpanan terhadap analisis metamfetamin serta metabolitnya dengan kromatografi gas dan spektroskopi massa telah dilakukan dengan tujuan untuk membandingkan hasil pembacaan dan kadar senyawa metamfetamin pada sampel urin yang berbeda. Sampel urin normal, sampel urin normal yang ditambahkan sabu-sabu, dan sampel urin pengguna masing-masing dikumpulkan sebanyak 60 mL. Hasil uji pendahuluan menunjukkan sampel urin normal negatif MA, sampel urin normal yang ditambahkan sabu-sabu dan sampel urin pengguna sabu-sabu positif MA, kemudian masing-masing sampel dibagi tiga kelompok untuk analisis langsung dan disimpan dalam suhu 4 dan 25oC selama 14 hari. Hasil analisis dengan kromatogarfi gas, pada kromatogram sampel urin normal tidak terdeteksi adanya serapan senyawa MA maupun metabolitnya hanya muncul serapan seperti 9-octadecenamide, hexadecanamide, dodecanamide, dan tetradecanamide yang merupakan puncak serapan dari lemak essensial. Sementara pada kromatogram sampel urin normal yang ditambahkan sabu-sabu dan sampel urin pengguna muncul puncak senyawa MA pada Rt 5,27-5,28 tetapi metabolit MA yaitu amfetamin hanya muncul pada kromatogram sampel urin pengguna yaitu pada Rt 5,07-5,08. Data hasil analisis kromatografi gas didukung oleh data pecahan m/z 44, 58, 91, dan 134 yang merupakan pecahan khas senyawa MA dan m/z 44, 65, 91, dan 120 yang menunjukkan pecahan khas amfetamin. Suhu 4oC merupakan suhu optimum dalam penyimpanan sampel urin pengguna sabu-sabu area tidak terjadi penurunan kadar MA yang signifikan. Kata kunci: Amfetamin, gas kromatografi, metamfetamin, sampel urin, spektroskopi massa. ABSTRACT The storage temperature of the methamphetamine samples has significantly influenced the analysis results of the samples using gas chromatography and mass spectroscopy. Optimization of the storage temperature for analysis of the methamphetamine and its metabolites by gas chromatography and mass spectroscopy has been done aiming to compare the level of methamphetamine compound in different urine samples. Normal urine samples, normal urine samples added with methamphetamine, and urine samples of the methamphetamine users were each collected as much as 60 mL. The result of the methamphetamine-screening test showed that the normal urine samples were negative but the normal urine samples added with methamphetamine and urine samples of the methamphetamine users were positive. Each sample was then divided into three groups for direct analysis and stored at 4 and 25 oC for 14 days. The methamphetamine analysis using gas chromatography showed that the chromatogram of the normal urine samples did not show any absorption of methamphetamine or its metabolites. Still, the absorption of 9-octadecenamide, hexadecanamide, dodecanamide, and tetradecanamide was detected, which were the absorption peaks of essential fats. Meanwhile, the chromatogram of the normal urine added with methamphetamine and the urine samples of the methamphetamine users indicated the peak of methamphetamine compound detected at Rt 5.27-5.28, however, the amphetamine (methamphetamine’s metabolite) peak was only detected at the chromatogram of the urine samples of the methamphetamine user, which was at Rt 5.07-5.08. The data of the gas chromatography analysis were supported by the fraction of m/z 44, 58, 91, dan 134 which were typical fractions of methamphetamine, and m/z 44, 65, 91, dan 120 were typical fractions of amphetamine. The results showed that the temperature of 4 oC was the optimum temperature for storing urine samples of methamphetamine users because there was no significant decrease in methamphetamine levels. Keywords: Amphetamine, gas chromatography, mass spectroscopy, methamphetamine, urine sample.
Penambahan Bunga Marigold (Tagetes Erecta L.) Sebagai Antioksidan Alami untuk Memperlambat Tingkat Ketengikan Virgin Coconut Oil Ni Made Suaniti; Ni Nyoman Nadia Angela Kusuma P.; Oka Ratnayani
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 2 No. 11 (2023): COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v2i11.666

Abstract

Virgin Coconut Oil or VCO will experience a decrease in quality due to oxidation, which cause rancidity. Adding antioxidants to VCO can help slow down the rancidity of the oil. This study aimed to determine the effect of adding marigold flowers on VCO in terms of free fatty acids (FFA) and water content as well as the functional groups contained in VCO. The VCO preparation technique was carried out without heating followed by the addition of marigold flowers with a ratio of VCO and marigold flowers of 100:1; 100:2.5; 100:5 w/w. The VCO without the addition of marigold flowers used as a control. The results indicated that the addition of marigold flowers could improve the quality of the VCO, characterized by a decrease in FFA levels and water content. The functional groups of VCO with the best quality (a ratio of VCO and marigold flowers of 100:1) were analyzed by FTIR (Fourier Transform Infrared Spectroscopy), namely OH, CH¬3, C=O, aliphatic C=C, and aliphatic C?C.
OPTIMASI MASSA KATUP LIMBAH POMPA HYDRAM TERPASANG DI WILAYAH MUNDUK GUNUNG DESA PETANG M. Suarda; N.M. Suaniti; M. Sucipta; N. Suweden; I.G.K. Dwijana
Buletin Udayana Mengabdi Vol 23 No 1 (2024): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BUM.2024.v23.i01.p14

Abstract

This paper investigated the effect of the mass of the waste valve of hydraulic ram pump which has been designed and installed to deliver the clean water to the community house in the Munduk Gunung area, Petang Village. Public facilities are still minimal. One of them is the unavailability of clean water service facilities for the community, where people still rely on rainwater or buy water tanks. In accordance with the name of the area, this residential area is located in the highlands (512 m.swl), while the available water sources are in the lowlands (410 m.swl) with an elevation difference of 102 meters. The distance from the spring to the reservoir is 600 meters through a steep cliff. Initial survey results show that the spring has a flow capacity of about 3 liters/second and a potential head of 4.5 meters. The hydraulic ram pump has been designed, built, installed and operated with funding supported through the PNBP service grant from Udayana University, the PUMA scheme. The hydraulic ram pump performance test has been carried out on five variations of the waste valve mass. Performance testing shows that this hydraulic ram pump reaches its optimal performance at a mass of 3.25 kg of waste valve. Under these optimal conditions, this hydraulic ram pump operates at a total efficiency of 95% with a pumping flow of 0.115 lt/sec or 9.94 m3/day) at a pumping elevation of 102 meters, with an economic value of up to Rp. 17,885,000 per month. Therefore, it is with an investment cost of around Rp. 42,500,000 and requires almost no operational costs because it does not require fuel or electrical energy, consequently this hydram pump is very profitable to apply. Keywords: Hydraulic ram pump, waste valve mass, pump performance, Munduk Gunung area, Petang village.
UJI PERFORMANSI POMPA HYDRAM DALAM PENYEDIAAN AIR BERSIH KELOMPOK USAHA BON BELOK KOPI DAN BANJAR ADAT BON DESA BELOK/SIDAN M. Suarda; N.M. Suaniti; M. Sucipta; N. Suweden; I.G.K. Dwijana; I.P. Widiarta
Buletin Udayana Mengabdi Vol 23 No 1 (2024): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BUM.2024.v23.i01.p06

Abstract

This paper examined the performance of the hydraulic ram pump that has been designed and installed to meet the clean water needs of the 'Bon Belok Kopi' Business Group and several families of Bon traditional community in Belok/Sidan Village, Petang District, Badung Regency, Bali Province. This business group is shortage to clean water in the process of processing their coffee production so that the community relies on rainwater and buys water from tank cars at a price of sixty thousand rupiah per cubic meter. Likewise, the Bon traditional community experienced the same problem, especially for their traditional activities. This problem has an impact on the capacity, quality and cost of coffee production of the business group, as well as the cleanliness, health and economy of the Bon traditional community. In the Bon area, there is a spring in the garden area belonging to the head of the business group with a flow rate of 3 liters/second at an elevation of 1024 m.swl, while residential areas are located at an elevation of 1135 m.swl. The hydraulic ram pump has been designed, built, installed and operated. The hydraulic ram pump performance test has been carried out on five variations of the pumping head. At a pumping head of 70 m, at the location of coffee processing, it produces a pumping flow of 8.84 m3/day with the pump efficiency of 71%. Meanwhile, at the highest pumping head of 110 m, at Puncak Bon Temple, it produces a pumping discharge of 5.04 m3/day with the pump efficiency of 59%. Keywords: Hydram pump, pump performance, Bon Belok Kopi, Bon traditional community.
Kadar Etanol dan Asam Asetat pada Fermentasi Ketan Putih (Oryza Sativa l. Var Forma Glutinosa) dengan Saccharomyces Cerevisiae dan Ragi Pasaran Maryana, Himayari Nufus; Suaniti, Ni Made; Dharma Putra, Ketut Gede
Jurnal Pendidikan Tambusai Vol. 5 No. 3 (2021): 2021
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v5i3.2668

Abstract

Beras ketan putih (Oryza sativa L. var forma glutinosa) merupakan salah satu hasil pertanian di Indonesia yang dapat difermentasi menjadi etanol seperti tape menggunakan ragi (Saccharomyces cerevisiae). Penelitian ini bertujuan untuk membandingkan kadar etanol dan asam asetat dalam tape beras ketan putih menggunakan Saccharomyces cerevisiae murni dan ragi pasaran. Metode analisis kadar dan massa jenis etanol masing-masing menggunakan kromatografi gas dan piknometer serta asam asetat secara kovensional (titrasi). Kadar etanol rata-rata dalam tape beras ketan dengan Saccharomyces cerevisiae murni adalah 11,58 %v/v, dan ragi pasaran adalah 14,79 %v/v, dengan massa jenis dihasilkan 0,98 g/ml pada kedua sampel. Kadar asam asetat rata-rata hasil fermentasi dengan Saccharomyces cerevisiae murni dan ragi pasaran 0,06 %v/v dan 0,45 %v/v.
Co-Authors A. A. B. Putra A. A. Bawa Putra A. A. I. S. J. Dewi A. A. S. D. Saraswati Abdul Rahim Agung Ari Chandra Wibawa Anak Agung Gede Sudewa Djelantik Anak Agung Istri Agung Mayun Laksmiwati Anak Agung Sagung Desy Dwi Martayani Martayani Ariati, N. K. Ayu Kasmita Dewi Darma Yanti, N. M. D. Dewa Ayu Ika Pramitha Dewi Yuliana Dita Rizkiyanti Dwi Anggraeni Putri Suandi H. Purnomo Hendra Wijaksana I D. G. Putra Prabawa I G. Mustika I G.N.O. Suputra I Gede Budiartawan I GEDE PUTU WIRAWAN I Gusti Ayu Kunti Sri Panca Dewi I Gusti Komang Dwijana I Ketut Budiarta I Ketut Suastika I Ketut Suastika I Made Agus Gelgel Wirasuta I Made Dira Swantara I Made Sudarsana I Nengah Suarnadwipa I Nengah Suweden I Nengah Wirajana I NYOMAN MANTIK ASTAWA I W. Wiratama I Wayan Bandem Adnyana I Wayan Suarsa I. A. R. Astiti Asih I. E. Radiati I. Mahmudi I.P. Widiarta Ida Ayu Okarini Ida Bagus Putra Manuaba Ika Paramitha, Dewa Ayu Iryanti Eka Suprihatin James Sibarani Ketut Gede Dharma Putra Ketut Ratnayani Khairul Mahfuz Komang Ari Gunapria Darmapatni M. M. Manurung M. Manurung M. Sucipta M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Made Ayu Hita Pretiwi Suryadhi Made Suarda Mahardika Aprilia Iflahah Mahardika Aprilia Iflahah Manuntun Manurung Maryana, Himayari Nufus Mirah Surya Dewi, Ni Putu Pande N. G. Indriyaningsih N. P. Widya Astuti N. P. Widya Astuti N. W. Bogoriani Nadya Hartasiwi Ni G. A. M. Dwi Adhi Suastuti Ni Komang Ariati Ni Luh Kasih Ariani Ni Luh Rustini Ni Made Meryana Utari Ni Made Puspawati Ni Made Rai Suarni Ni Made Sukma Sanjiwani Ni Nyoman Nadia Angela Kusuma P. Ni Pt. Pande Mirah Surya Dewi Ni Putu Diantariani Ni Putu Widya Astuti Ni Wayan Sri Sukmarianti Noviyanti, Ni Putu O. Ratnayani O. Ratnayani Oka Ratnayani Oka Ratnayani Oktavia, Fadilla Raisyah Anjani Riyadi, T. Rr. Anisa Hernindya S. A. Sari Sagung Ngurah Mayuni Setianingsih, Ni Luh Putu Putri Turmuzi Tammi Wahyu Dwijani Sulihingtyas Wira Adi Capayanti WIWIK SUSANAH RITA