Results 21 to 30 of about 6,290 (210)
Spectrophotometric determination of phosphorus in coal and coal ash using bismuth-phosphomobybdate complex [PDF]
Journal of the Serbian Chemical Society, 2003 A modified spectrophotometric method using the bismuth phosphomolybdate complex for the determination of phosphorus in coal and coal ash is suggested. Bismuth together with phosphate and molybdate forms a very stable complex in acid medium which turns ...
Mihajlović Ranđel P. +4 more
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, 1981 The nitrogen of the protein precipitate is converted to acid ammonium sulphate by digestion with sulphuric acid and various catalysts. On making the reaction mixture alkaline, ammonia is liberated, which is removed by steam distillation.
Ravindranath, M H, Subhashini, M H
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International Journal of Electrochemical Science, 2012 Three potentiometric sensors responsive to Memantine HCl (MEM) drug are described, characterized, compared and used for drug assessment. The sensors are based on the use of the ion-association complex of (MEM) cation with Flavianate (FA), 5-Nitro ...
Rasha M. El Nashar +2 more
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Influence of hydroxyethyl starch (6% HES 130/0.4) administration on hematology and clinical chemistry parameters [PDF]
, 2008 Background: The chemical inertness of hydroxyethyl starch (HES) might cause interferences of the colloid with a variety of laboratory tests. We aimed to evaluate potential influences of HES 130/0.4, the newest HES type, on several common hematology and ...
Dieplinger, Benjamin +7 more
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Immobilization of Phosphomolybdate Anions on the Surface of Magnetite Nanoparticles Modified with Quaternary Phosphonium Cations [PDF]
Journal of Nanostructures, 2013 A new hybrid nanomaterial was developed by immobilization of phosphomolybdate anions on the surface of modified magnetite nanoparticles with quaternary phosphonium cations. Silica coated magnetic nanoparticles supported phosphonium cations, Ph3P+-SCMNPs,
M. Masteri-Farahani, R. Kamrani
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Time- and Temperature-Varying Activation Energies: Isobutane Selective Oxidation to Methacrolein over Phosphomolybdic Acid and Copper(II) Phosphomolybdates [PDF]
Catalysts, 2016 The selective oxidation energetics of isobutane to methacrolein over phosphomolybdic acid and copper(II) phosphomolybdates have been investigated using low-pressure, pseudo-steady-state and temperature-programming techniques. Time-varying flexible least squares methods were used to determine variations in oxidation activation energies as the ...
Trevor Brown +3 more
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PolyoxometalatesThe development of a sensitive and efficient detection technology for trace toxic hexavalent chromium (Cr(VI)) in water is a pressing concern. In this study, an hourglass-type phosphomolybdate-based metal–organic network with the formula [Na0.5Cu5.5(H2O ...
Hao Song +8 more
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Identification of natural antioxidants using GC-MS analysis from Moringa oleifera with meat preservative potential [PDF]
Emirates Journal of Food and AgricultureAntioxidants play a vital role in food preservation. They ensure that food keeps its taste and color and stays edible over a longer period. In this study, the oxidative stability of Frozen beef incorporated with Moringa oleifera leaves was evaluated ...
Nadia Sardar +5 more
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Vietnam Journal of Science, Technology and EngineeringInstant noodles are widely consumed in Vietnam and are especially popular among young people. In the production of instant noodles, phosphate additives are commonly added to enhance the crispiness and chewiness of the product.
Trung Quang Pham +3 more
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Plant Production Science, 2013 Although direct seeding is expected to be a labor-saving method in rice cultivation, poor seedling establishment is a major obstacle to widespread use of this practice. I previously reported that the seedling establishment of rice sown on sulfate-applied
Yoshitaka Hara
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