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All Journal Jurnal Kartika Kimia Acta Chimica Asiana Environmental Pollution Journal
Syarifah, Nidatul
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Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Engineering Environmental Science Law, Crime, Criminology & Criminal Justice

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Identifikasi Mikroplastik Di Udara Pada False Solution Technology Syarifah, Nidatul; Sari, Bunga Surya Eka; Hanapi, Ahmad
Environmental Pollution Journal Vol. 1 No. 3: November 2021
Publisher : ECOTON: Ecological Observation and Wetlands Conservation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58954/epj.v1i3.67

Abstract

PLTSa dan TPS merupakan bagian solusi dari penyelesaian permasalahan sampah plastik di Indonesia. Namun kegiatan yang dilakukan berdampak sebaliknya, karena solusi tersebut menyebabkan pencemaran baru. Pencemaran dihasilkan seperti menghasilkan gas-gas berbahaya dan emisi SOx dan NOX, serta residu lainnya dan dimungkinan juga terdapat mikroplastik. Tujuan dari penelitian ini ialah untuk mengidentifikasi mikroplastik pada false solution technology dan sebagai base data awal untuk pencegahan cemaran yang diakibatkan false solution technology. Metode penetukan lokasi yang digunakan adalah Purposive Random Sampling. Sampel diambil di 4 tempat titik lokasi pengambilan sampel, kemudian sampel diidentifikasi menggunakan mikroskop sterero dengan perbesaran 1,5x. Hasil menunjukkan seluruh sampel positif mengandung mikroplastik. Jumlah mikroplastik yang teridentifikasi di insenerator lakardowo yaitu 10 partikel/m³, TPS Bambe yaitu 4 partikel/m³, TPS Driyorejo yaitu 3 partikel/m³ dan PLTSa Benowo yaitu 3 partikel/m³ dan ukuran mikroplastik di keempat tempat tersebut ialah 133 µm - 3900 µm dengan jenis mikroplastik filament, fragmen, dan fiber.
Hydrothermal synthesis of crystalline Aluminium(III)-Tartrate: effect of tartrate type and molar ratio Prananto, Yuniar Ponco; Purwonugroho, Danar; Dzakwan, M. Naufal Tsaqif; Setianingsih, Tutik; Syarifah, Nidatul
Acta Chimica Asiana Vol. 8 No. 1 (2025)
Publisher : The Indonesian Chemical Society, Chapter Nusa Tenggara and The University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/aca.v8i1.244

Abstract

Aluminium(III)-tartrate (Al-T) complex is a compound that commonly used as mordent in textile dyeing. This complex is soluble in hot water; thus, information on the isolation of crystallised Al-T is limited. Isolation of crystallised Al-T is needed to gain a high purity complex for further application in the textile industry. This study aims to synthesize and isolate crystalline complex of Al-T. Hydrothermal method was used to obtain the targeted complex. Effects of tartrate precursor and Al(III):tartrate mol ratio in the synthesis of Al-T complex were also investigated. The synthesis was done at 150 °C for 24 hours in several Al(III):tartrate mol ratios (1:2, 2:1, and 2:3) using two different tartrate precursors, namely L-tartaric acid and KNa-tartrate. The synthesized complexes were identified by infrared spectroscopy and powder-XRD analyses, and then further characterised by UV Vis - DRS, DTA-TGA, and SEM. Experimental data shows that the mol ratio affects the precipitation of the Al-T complex, in which a white crystalline solid was only precipitated out from the 2:1 reaction by both tartrate precursors. Different tartrate precursors used in the synthesis may alter the crystallization and result in an Al-T complex with slightly different thermal decomposition profile, UV-Vis DRS spectra profile, and different yield due to the different nature of the tartrate precursor. This finding is expected to support the possibility of Al-T mass production as mordent in textile dyeing
Room Temperature Synthesis of Aluminium(III)-Benzenedicarboxylate Complex from Two Different Al(III) Salts Syarifah, Nidatul; Yofandi, Muhammad Farrel; Fardiyah, Qonitah; Prananto, Yuniar Ponco
Jurnal Kartika Kimia Vol 8 No 1 (2025): Jurnal Kartika Kimia
Publisher : Department of Chemistry, Faculty of Sciences and Informatics, University of Jenderal Achmad Yani

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26874/jkk.v8i1.936

Abstract

Al(III) complex with 1,4-benzenedicarboxylate ligand (Al-BDC) is a porous material that has the potential to be developed as an adsorbent or photocatalyst. This complex is often obtained by the solvothermal method at high temperature. This paper reports the synthesis of Al-BDC complex by solution method at room temperature from two different types of Al(III) salts, namely nitrate salt (complex 1) and chloride salt (complex 2). The synthesis of Al-BDC was conducted with Al(III):H2-BDC mol ratio of 2:3. The synthesized complexes were characterized by ATR-IR, powder XRD, UV Vis–DRS, and DTA–TGA. The results showed that white powders were obtained with a yield of 75.8% (complex 1) and 65.7% (complex 2). The presence of BDC ligands in both complexes was confirmed by the presence of typical absorption bands of C=O, C-O, and Al-O functional groups in their infrared spectra. Both complexes have different surface morphology and average crystallite sizes (28.63 nm – complex 1; 34.98 nm – complex 2), but the powder X-ray diffraction patterns, DTA-TGA thermograms, UV Vis-DRS spectra, and band gap energy values ​​of both complexes are considerably identical. Powder XRD diffraction analysis of both complexes shows a pattern that is identical to the known compound with a formula of {[Al(OH)(BDC)]·(H2BDC)0.69}n(CCDC No. 2179625) in which the compound forms 3D polymeric structure with terephthalic acid occupies the voids.
Co-Authors Ahmad Hanapi Danar Purwonugroho Dzakwan, M. Naufal Tsaqif Qonitah Fardiyah Sari, Bunga Surya Eka Tutik Setianingsih Yofandi, Muhammad Farrel Yuniar Ponco Prananto