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The Effect of Calcination Temperatures on the Activity of CaO and CaO/SiO2 Heterogeneous Catalyst for Transesterification of Rubber Seed Oil in the Presence of Coconut Oil as A Co-Reactant

Introduction In response to increased need for renewable  energysource, liquid [...]

By |2017-05-04T13:18:20+00:00December 18, 2016|Volume 32, Number 6|Comments Off on The Effect of Calcination Temperatures on the Activity of CaO and CaO/SiO2 Heterogeneous Catalyst for Transesterification of Rubber Seed Oil in the Presence of Coconut Oil as A Co-Reactant

Quantitative Analysis of L-Dopa (L-3,4-Dihydroxyphenylalanine) Content in Extracts of Various Products from Velvet Bean (Mucuna pruriens (L.) DC.) Tempe Processing

Introduction Velvet bean (Mucuna pruriens (L.) DC.) is commonly known [...]

By |2017-04-23T14:21:13+00:00December 18, 2016|Volume 32, Number 6|Comments Off on Quantitative Analysis of L-Dopa (L-3,4-Dihydroxyphenylalanine) Content in Extracts of Various Products from Velvet Bean (Mucuna pruriens (L.) DC.) Tempe Processing

Microstructure and Optical Properties of Composites Consisting of Nanoporous Stretched Polypropylene Doped with Liquid Crystals and Quantum Dots at a High Concentration

Introduction Designing organic–inorganic hybrid polymer composites has been a remarkable [...]

By |2017-04-22T12:34:38+00:00December 18, 2016|Volume 32, Number 6|Comments Off on Microstructure and Optical Properties of Composites Consisting of Nanoporous Stretched Polypropylene Doped with Liquid Crystals and Quantum Dots at a High Concentration

Substantiation of Electron-Seeking Catalysis of Vanadocene Dichloride Oxidative Breakdown in the Process of Vanadium Backwash from Heavy Karazhanbas Oil field

Introduction The synthesis of various organic compounds derivatives on the [...]

By |2019-02-09T12:53:42+00:00October 20, 2016|Volume 32, Number 5|Comments Off on Substantiation of Electron-Seeking Catalysis of Vanadocene Dichloride Oxidative Breakdown in the Process of Vanadium Backwash from Heavy Karazhanbas Oil field

Silver Nanoparticles-Based Nano-drop Spectrophotometric Determination of Cationic Surfactants Coupled with Hydrophobic Interaction; An Application to Pharmaceuticals and Environmental

Introduction Surfactants are surface-active compounds that can reduce the surface [...]

By |2016-11-01T10:28:02+00:00October 20, 2016|Volume 32, Number 5|Comments Off on Silver Nanoparticles-Based Nano-drop Spectrophotometric Determination of Cationic Surfactants Coupled with Hydrophobic Interaction; An Application to Pharmaceuticals and Environmental

Spectrophotometric Determination of Chromium(III) and Iron(III) by used of 2-((E)-(1H-Benzo[D]Imidazol2-Yl)Diazenyl)-5-((E)-Benzylideneimino) Phenol;(BIADPI) as Organic Reagent

Introduction Azo Schiff base compounds are very important well known [...]

By |2019-02-09T12:06:41+00:00October 20, 2016|Volume 32, Number 5|Comments Off on Spectrophotometric Determination of Chromium(III) and Iron(III) by used of 2-((E)-(1H-Benzo[D]Imidazol2-Yl)Diazenyl)-5-((E)-Benzylideneimino) Phenol;(BIADPI) as Organic Reagent
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