Pyrazolin is a five-loop heterocyclic compound that has two nitrogen atoms close to each other in its ring and contains one endocyclic double bond. Pyrazolin is known to have many biological activities, such as anticancer. The compound 4-(5-(3-methoxyphenyl)-1-(4-nitrophenyl)-4,5-dihydro-1H-pyrazole-3-yl) phenol abbreviated as P3OME-4OH-4NTR was successfully synthesized through three reaction…
Pyrazoline has two nitrogen atoms adjacent to each other in its ring and possess only one endocyclic double bond. This compound has bioactivity such as antibacterial, antitumor, antidiabetic, anti-inflammatory and anticancer and others. Pyrazoline, which has functional groups such as chloro, fluoro, bromo, and methoxy, has various pharmacological activities, such as being an anticancer agent. T…
Plumeria rubra. L or also known as the red frangipani plant is a type of plant that contains various secondary metabolites and has been widely used as a medicine to cure several diseases. This research aims to isolate and characterize pure compounds from the methanol extract of Plumeria rubra flowers and then carry out antioxidant tests on the extract and fractionation results using DPPH free r…
Pyrazoline is five ring heterocyclic compounds with two adjacent nitrogen atoms which is known to have diverse biological activities such as antioxidant, antitumor and anticancer agent. Pyrazoline (5-(2-bromophenyl)-3-(1-hydroxynaphthalene-2- yl)-1-phenyl-4,5-dihydro-1H-pyrazole has successfully synthesized with several phases of reaction. The reaction begins formation of chalcone 3-(2-bromophe…
Manganese oxide is an important compound in nature for the transformation of various compounds into simpler compounds. Manganese oxide in nature is generally mixed with fellow manganese oxide but has a different structure and other metal oxides so it is difficult to characterize. Synthesis of manganese oxide can be carried out using the sol-gel method. With this method, the structure of mangane…
Industrial processes are one of the causes of environmental pollution which can be seen from the waste produced. A dye pollutant that is difficult to decomposes is methylene blue (MB). Manganese oxides minerals are ubiquitous in the environmental settings, strong oxidant and play an important role to transform unwanted chemicals into environmentally smaller compounds. Manganese oxides can be …
Oil palm as a plant that produces palm oil and palm kernel is one of the favorite plantation crops which is a source of non-oil and gas foreign exchange for Indonesia. In Indonesia, the cooking oil most often used is palm cooking oil. This condition is caused by Indonesia being a palm oil producing country, this oil is also quite ideal in terms of price and availability. This feasibility study …
Citric acid is a fatty organic acid that can be obtained from plants, or from materials with a high total sugar content (molasses) with the chemical formula C6H8O7 or CH2(COOH)-COH(COOH)-CH2(COOH). In Indonesia, there is a need for citric acid for raw materials and supporting materials for food and beverages, detergents, pharmaceuticals, cosmetics and others. Citric acid can be produced through…
Sodium hydroxide (NaOH) is an important ingredient in the chemical industry because it is used in various industries such as paper, soap and textiles. The need for sodium hydroxide in Indonesia is still met by importing it from abroad. With the establishment of the sodium hydroxide factory, it is hoped that it can reduce dependence on imported sodium hydroxide and can spur industrial growth in …
Vinyl chloride is a colorless, gaseous, and highly flammable chlorinated hydrocarbon compound with the molecular formula C2H3Cl. Vinyl chloride is used in the polymer industry, such as making polyvinyl chloride (PVC). PVC is widely used as a plastic material, adhesive layer, and pipe. The raw material used in making vinyl chloride are ethylene and chlorine. The direct chlorination process of et…
Citric acid is a fatty organic acid that can be obtained from plants, or from materials with a high total sugar content (molasses) with the chemical formula C6H8O7 or CH2(COOH)-COH(COOH)-CH2(COOH). In Indonesia, there is a need for citric acid for raw materials and supporting materials for food and beverages, detergents, pharmaceuticals, cosmetics and others. Citric acid can be produced through…
Herbal tea is a drink made from different types of herbs, such as the leaves, seeds, or roots of plants. Herbal tea can have various health benefits, depending on the type of plant used. The objectives to be achieved in this study were to make herbal tea from arabian bidara leaves by knowing the effect of different drying times on testing water content, yield and ash content, and comparing the …
Methyl chloride with the molecular formula CH3Cl, usually used as the main material for silicone fluids synthesis. Silicone fluids then processed into anti-foaming agent, release agent, and light lubricant. The main raw materials used in the manufacture of methyl chloride by the methanol hydrochlorination process are methanol and hydrochloride acid. The plant is planned to operate for 330 days …
The Hexamine factory in the form of PT. HMTA INDUSTRIAL INDONESIA is designed to have a production capacity of 10,000 tons/year with a Rotary Dryer (B-101) main equipment design. Hexamine or hexamethylene tetramine (HMTA) has wide use in the chemical industry, namely as an accelerator in the rubber industry, TNT mixture in the explosives industry, shrink-proofing agent in the textile industry, …
Industri kimia di Indonesia mulai berkembang seiring dengan banyak kebutuhan akan produksi bahan baku yang akan digunakan bagi industri lain maupun kebutuhan produk siap pakai. Permintaan pasar Indonesia terhadap asam benzoat masih. Kekurangan ini dapat diatasi dengan melakukan aktivitas impor asam benzoat untuk industri Indonesia. Tingkat aktifitas ekspor-impordidunia, khususnya diwilayah asia…
Calcium oxide (CaO) is a catalyst that is widely used for biodiesel synthesis reactions, but the CaO catalyst has the weakness of a low surface area. Therefore, to increase biodiesel yield the CaO catalyst needs to be modified using silica to increase the catalyst surface area and catalytic activity. The aim of this research is to synthesize and characterize the CaO catalyst modified by SiO2 ar…
Biosynthesis is one of the synthesis methods that used plants as reductor. The secondary metabolite compund in plants can be used as bioreductor fo synthesize silver nanoparticles. Biosynthesis has advantages in pharmacy and biomedic application, low cost, no press needed, high energy and temperature, and it doesn’t need poisonous chemicals. The purpose of this research was to synthesize silv…
Palm fronds were chosen as the raw material for activated carbon due to their content of lignin, cellulose, and hemicellulose. The carbonization process took place at 600°C for 60 minutes to produce palm frond charcoal, followed by chemical and physical activation. The chemical activation process used KOH with a charcoal:KOH weight ratio (g:g) of 1:1 in 100 mL of demineralized water. The proce…
The fungal collections, Trichoderma asperellum LBKURCC1, Trichoderma asperelloides LBKURCC2 and Penicillium sp. LBKURCC34 are fungi isolated from plantation soil and peat soil in Riau Province. These fungi have the potential to produce secondary metabolites that have antimicrobial activity. This study aims to examine the antagonistic activity between local isolates of Riau fungi; LBKURCC1, LBKU…
The application of Maredan natural clay as an adsorbent has several advantages, such as low cost, abundant availability and good adsorption efficiency. In this research, Maredan natural clay was used to adsorb lead in water. The purpose of this research was determine the optimum contact time and optimum concentration of adsorbate in lead adsorption process using Maredan natural clay. This resea…