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All Journal Al-Kimia Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya CHEMVIRO : Jurnal Kimia dan Ilmu Lingkungan
Novianty, Iin
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science

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Immobilization of Pseudomonas aeruginosa FNCC-0063 on Calcium Alginate and Its Application as Bioabsorbent Novianty, Iin; Suratman, Adhitasari; Mudasir
Al-Kimia Vol 11 No 1 (2023): JUNE
Publisher : Study Program of Chemistry - Alauddin State Islamic University of Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/al-kimia.v11i1.36326

Abstract

Biosorption of Cu (II) using bacteria Pseudomonas aeruginosa FNCC-0063 was immobilized on calcium alginate (PAI). This research examined the effect of various parameters such as pH, contact time, and initial Cu (II) concentration. The biosorption mechanism of Cu (II) was studied by sequential desorption with H2O, KNO3 1 M, HNO3 0.5 M and Na2EDTA 0.1 M. Cu (II) concentration was analyzed using atomic absorption spectrophotometer (AAS). The results showed that optimum Cu (II) ion biosorption occurred at a pH biosorption rate constant of 0.03724 g mg-1.min-1. The kinetics studies showed that Cu (II) biosorption follows pseudo-second-order. The biosorption capacities of 36.60 mg/g. Cu (II) Biosorption followed the Freundlich equation, as shown by a high correlation coefficient (R2) of about 0.99. Ionic bonds dominated the biosorption mechanism of Cu (II) ion on immobilized PAI.
Analisis Proksimat Karbon Aktif Bunga Lontar (Borassus flabellifer L) Teraktivasi Asam Fosfat Novianty, Iin
Jurnal Kimia dan Ilmu Lingkungan: Chemviro Vol. 3 No. 1 (2025): Vol. 3 No. 1 (2025)
Publisher : Universitas Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56071/chemviro.v3i1.1200

Abstract

This research aims to determine the chemical properties of activated carbon from palm flowers. Making activated carbon using the drum kiln method. Activation is carried out chemically using phosphoric acid (H3PO4). Proximate analysis is carried out to determine the chemical properties of the carbon produced. The results obtained in this study were water, ash, volatile matter and bound carbon content respectively 8.72%, 21.86%, 4.48% and 73.66%.
SINTESIS BIOSURFAKTAN EKSTRAK DAUN PURING (Codiaeum variegatum) DAN KULIT JERUK PURUT (Citrus hystrix) SEBAGAI DETERGEN BIODEGRADABLE Chadijah, Sitti; Nurmayanti, Sarah; Gani, Rahmiani; Zahra, Ummi; Novianty, Iin
Jurnal Crystal : Publikasi Penelitian Kimia dan Terapannya Vol. 7 No. 2 (2025): Literasi Artikel Penelitian Kimia
Publisher : Program Studi Kimia, Fakultas MIPA, Universitas PGRI Banyuwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36526/jc.v7i2.6062

Abstract

Croton leaf (Codiaeum variegatum) and kaffir lime peel (Citrus hystrix) are plants that contain secondary metabolite compounds such as saponins and tannins. This research aims to utilize natural ingredients to biodegradable detergent synthesis and determine the quality of the biosurfactant product produced. The detergent composition was made using 5 variations of extract concentration, namely 15%, 30%, 45%, 50% and 55%. Analysis of the quality of detergent products includes organoleptic tests, pH tests, density tests, viscosity tests, foam height and foam stability tests as well as saponin and tannin levels contained therein before and after making the detergent. The detergent quality results obtained met SNI standards, namely pH 5-10, density 1.3 g/cm3, viscosity ranging from 3-20 cP, foam height 3-13 cm and foam stability 66.6% - 92.5%. Total saponin levels increased after making detergent and tannin levels decreased after making detergent. These results proved that croton leaf and kaffir lime peel can be used as raw materials for biodegradable detergent.
Co-Authors Adhitasari Suratman Mudasir Nurmayanti, Sarah Rahmiani Gani Sitti Chadijah Ummi Zahra, Ummi