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PEMANFAATAN EKOENZIM DARI KULIT BUAH-SAYUR UNTUK PENINGKATAN KUALITAS AIR DANAU BATUR DI KECAMATAN KINTAMANI BANGLI, BALI Suyasa, I Wayan Budiarsa; Susanah Rita, Wiwik; Irdhawati, Irdhawati; Gede Widihati, Ida Ayu; Wirajana, Nengah; Sibarani, James
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 18 No 1 (2024)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2024.v18.i01.p08

Abstract

Eco enzyme production through the fermentation process of household waste, such as leftover fruit and vegetables can also be a solution to minimize waste from its source. This research aims to determine the effect of a mixture of organic materials, fruit and vegetable waste eco enzyme on pH, and the effect of eco enzyme dosage on improving the water quality of Lake Batur, Kintamani Bali. Making eco enzymes using vegetable and fruit waste. water, molasses in a ratio of 3: 10: 1. The liquid is fermented for 3 months while observing the fermentation process. Eco enzyme is harvested and filtered, ready for testing to improve the water quality of Lake Batur. The results of observations of making eco enzyme can be explained that in the first 4 weeks, there was a change in colour with shades of brown to reddish, after the fourth week the colour was relatively stable (no colour change. Changes in pH during the process of making eco enzymes were related to variations in the composition of organic material (vegetable residues. There was a decrease in pH). with an average of up to 1 digit, the highest reduction occurred in ingredients containing papaya, mango and mustard greens. Eco enzymes can improve water quality as indicated by several water quality parameters, but are not enough to achieve conformity with the established quality standards. Keyword: Eco Enzyme; Water Quality; Batur Lake
IDENTIFIKASI PEWARNA MERAH K3 (CI 15585) DALAM PRODUK KOSMETIK SEDIAAN PERONA MATA SECARA LC- MS/MS Rahayu, Riana Suastari; Suprihatin, Iryanti Eka; Rita, Wiwik Susanah
CAKRA KIMIA (Indonesian E-Journal of Applied Chemistry) Vol 5 No 1 (2017)
Publisher : Graduate Program of Applied Chemistry, Udayana University, Bali-INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.491 KB) | DOI: 10.24843/CK.2017.v05.i01.p05

Abstract

ABSTRAK : Identifikasi merah K3 dalam sediaan perona mata secara LC-MS/MS dilakukan untuk mengkonfirmasi keberadaannya yang sering kali ditemukan dalam konsentrasi kecil. Metode spektrofotometeri UV-VIS dan HPLC tidak cukup untuk mengkonfirmasi keberadaan merah K3 yang dinyatakan positif dengan metode KLT. Optimasi metode dilakukan pada kondisi spektrometer massa dan sistem kromatografi cair yang berlaku pada LC-MS/MS sebelum dilakukan proses identifikasi. Hasil optimasi menunjukkan identifikasi merah K3 dengan LC-MS/MS menggunakan teknik ionisasi elektrospray (ESI) dan sistem Multiple Reaction Monitoring (MRM) pada mode ionisasi negatif. Ion prekursor pada m/z 375 dan ion produk pada m/z 204, 80, 140 digunakan untuk identifikasi. ABSTRACT : Identification of red dye (CI 15585) using LC-MS/MS in eye shadow was performed to confirm its presence in very low concentrations. The UV-VIS spectrophotometry and HPLC are not sufficient to confirm the presence of red dye identified by the TLC. The optimation of the method was carried out under the condition applicable to LC-MS / MS prior to identification process. Optimation results show that red dye can be identified with LC-MS/MS using electrospray ionization technique (ESI) and Multiple Reaction Monitoring (MRM) system under negative ionization mode. The precursor ion at m / z 375 and the product ions at m / z 204, 80, 140 are used for identification.