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Magnetic Effect On Sodium Nitrate Solution Brazil

  • TEMPOL enhances the antihypertensive effects of

    2013-12-1 · Effect of simulated gastric juice (SGJ) solution pH on sodium nitrite-derived NO production in the absence (open bars) or presence (closed bars) of TEMPOL. The bars show NO production (as detected electrochemically by a Clark-type electrode) from sodium nitrite (20 µM) and TEMPOL (20 µM) added to SGJ solutions with pH varying from 2.0 to 7.0. Reduced NO if formed as pH increases from

  • Cited by: 32
  • Investigating (Fe3O4) magnetic nanoparticles

    Investigating (Fe3O4) magnetic nanoparticles impregnated onto tri-sodium citrate to remove, of methylene blue dye from aqueous solutions

  • Nitrate treatment effects on bacterial community

    2012-3-28 · Mixing and homogenization in the reactor were generated by a magnetic stirring bar rotated by a magnetic stirring plate. Nutrient solution (0.4 % v/v sodium lactate, 0.1 % w/v yeast extract, and 0.025 % w/v glucose, pH 7.5) was previously purged with nitrogen, sterilized and then introduced through the top of the bioreactors via a glass tube.

  • Cited by: 18[PDF]
  • J. Braz. Chem. Soc. ©2021 Sociedade Brasileira de

    2021-3-29 · pieces of about 1 × 1 cm, inserted in the iron nitrate solution of enough volume to the magnetic stirrer could move, with an equivalent Fe amount of 0.07 and 0.14-1 g g Fabric and stirred for 1.5 h at room temperature. Fabrics were removed from the solution and left to dry in an oven overnight at

  • Influence of magnetic field on barium sulfate

    2019-7-1 · Moreover, evidence of the positive action of the magnetic field in the prevention of BaSO 4 scales in onshore production units of Carmópolis (Sergipe, Brazil) has also been reported. However, it is still necessary to conduct comprehensive and systematic studies to investigate the effect of the magnetic field in the BaSO 4 precipitation.

  • Cited by: 1
  • Functionalization of magnetic chitosan with graphene

    Batch adsorption experiments were performed to remove toxic cationic and anionic dyes from industrial wastewater. To maximize removal efficiency of composite material, effect of pH (4-12), time (0-80min), Fe3O4©-GO dosage (2-10mg), initial dye concentration (2-30μgmL̄ (1)) and temperature (303, 313, and 323K) were studied.

  • Effect of Lithium Nitrate on the Alkali-Silica Reaction

    Lithium, sodium and potassium silicate glasses containing 20–56 mol% alkali oxide were investigated by 29Si nuclear magnetic resonance (MAS-NMR) spectroscopy.

  • Direct magnetic enhancement of electrocatalytic

    2019-6-10 · On the one hand, a positive effect can be found associated with the influence of a magnetic field on the Lorentzian movement for diffusion of reagents and gas bubbles, therefore improving mass

  • Study on the Salting-out Effect using Silica Species by

    2007-1-4 · The salting-out effect has been characterized on the basis of the relative peak intensity of silica species, observed by FAB-MS (fast atom-bombardment mass spectrometry) in solutions of sodium chloride, sodium nitrate, sodium sulfate, calcium chloride, lithium chloride and magnesium chloride.

  • Cited by: 10[PDF]
  • Deposition and Characterization of a New Mixed Organic

    2014-2-4 · containing 2-Butyne-1.4-diol propoxylate (5% v/v), 20mM sodium nitrate, 20 mM sodium sulfate and 50mM hexahydrated cerium nitrate were prepared. The zinc coated surfaces were immersed in the solutions for varying time periods of 1, 10, 20 and 30 minutes, to study how the immersion time affects coating formation and corrosion resistance.

  • J. Braz. Chem. Soc. ©2021 Sociedade Brasileira de

    2021-3-29 · (corresponding to 0.5 g of iron nitrate), onto the open stretched fabric, and left to dry in an oven overnight at 333 K. Polyester and fiber mixed fabrics were cut in small pieces of about 1 × 1 cm, inserted in the iron nitrate solution of enough volume to the magnetic stirrer could move, with an equivalent Fe amount of 0.07 and 0.14-1 g g Fabric

  • Investigating (Fe3O4) magnetic nanoparticles

    Investigating (Fe3O4) magnetic nanoparticles impregnated onto tri-sodium citrate to remove, of methylene blue dye from aqueous solutions July 2019 AIP Conference Proceedings 2123(1):020026

  • Nitrate treatment effects on bacterial community

    2012-3-28 · The sodium nitrate solution (180 mg/l) was injected continuously using a dripper (0.5 ml/min) in the N reactor until the endpoint of each experiment was reached. The N and C reactors—performed during the E1, E2 and E3 experiments were denoted as NE1, NE2, NE3 reactors and CE1, CE2, CE3 reactors, respectively.

  • Influence of magnetic field on barium sulfate

    2019-7-1 · Fig. 4 shows the effect of the magnetic field on the kinetics of the barium sulfate incrustation. The results are depicted for distinct total flow rate in the capillary, from the laminar regime (4A) to a turbulent regime (4D). Magnetic fields up to 14000 G were

  • Adsorption Study for the Removal of Nitrate from

    2019-2-3 · Our research aimed at the removal of nitrate ions through adsorption by local clay. A series of batch experiments were conducted to examine the effects of contact time, adsorbent characteristics, initial concentration of nitrate, pH of the solution, concentration, and granulometry of adsorbent. Adsorption isotherms studies indicated that local clay satisfies Freundlich’s model.

  • SciELO Brasil Iron Nitrate Modified Cotton and

    Iron nitrate (III) nonahydrate (Fe(NO 3) 3.9H 2 O) ACS grade ≥ 98% was purchased from Sigma-Aldrich (São Paulo, Brazil), pellet sodium hydroxide (NaOH) PA ≥ 98% from Synth (Diadema, Brazil), sodium chloride (NaCl) ≥ 99%, from Refinaria Nacional de Sal S.A., was purchased at local market (Santo André, Brazil), a refined salt for domestic

  • Influence of desensitizing and anti-erosive

    Objective: This study analyzed the effect of desensitizing and/or anti-erosive toothpastes on dentine permeability. Methods: One-mm dentin discs were prepared from human molars and exposed to EDTA solution (5 min, 17%). Initial dentine permeability was measured, under constant pressure. Specimens were randomly allocated into 10 groups: four anti-erosive toothpastes (calcium silicate + sodium

  • SciELO Brasil Synthesis and Characterization of Zinc

    Zinc oxide nanostructures were prepared by the combination of zinc nitrate with sodium hydroxide in polyol medium. Ethylene glycol was used as solvent and, by increasing the temperature (140 °C), promoted the decomposition of Zn(OH) 2 into ZnO nanoparticulate. The UV-visible spectrum showed absorption band at 344 nm with a band gap of 3.23 eV

  • Direct magnetic enhancement of electrocatalytic

    2019-6-10 · On the one hand, a positive effect can be found associated with the influence of a magnetic field on the Lorentzian movement for diffusion of reagents and gas bubbles, therefore improving mass

  • Thermodynamic Study of the Aggregation Behavior of

    1999-6-11 · The self-association of sodium n-hexyl sulfate (SHS) in aqueous solution has been examined at 25.0 and 35.0 °C. The critical micellar concentration (cmc) and the degree of counterion binding, β, were determined by conductivity measurements at 25.0 °C. Both quantities were used to calculate the standard Gibbs energy change on micellization.

  • NiO Nanoparticles Synthesis by Chemical Precipitation

    2009-3-12 · Production of NiO by chemical precipitation is the approach utilized in this work. Materials mainly used in this project are nickel nitrate hex hydrate (as a basic material), sodium hydroxide (as a precipitator material), and the following surfactants (for reduction in particle size). Applied surfactants are in two kinds: polymeric (PVP, PEG) and cationic (CTAB) surfactants, 1.0 gram.

  • I. Chemical Equilibrium MIT OpenCourseWare

    2020-12-31 · adding any acid to a solution containing sulfide salts. Silver nitrate solutions are light sensitive, irritating and oxidizing. Ammonium hydroxide is corrosive and highly irritating upon inhalation. Procedure: Place a 50mL beaker containing 20 mL of distilled water and a magnetic stirring bar on the

  • SciELO Brasil Synthesis and Characterization of Zinc

    Zinc oxide nanostructures were prepared by the combination of zinc nitrate with sodium hydroxide in polyol medium. Ethylene glycol was used as solvent and, by increasing the temperature (140 °C), promoted the decomposition of Zn(OH) 2 into ZnO nanoparticulate. The UV-visible spectrum showed absorption band at 344 nm with a band gap of 3.23 eV

  • 21. Double Replacement Reactions

    2019-12-13 · ♦ 1% Dexrin solution, 100 mL ♦ Magnetic stirrer . ♦ 0.020 M Silver nitrate (AgNO. 3), 200 mL ♦ Micro stir bar . ♦ 0.010 M Sodium chloride (NaCl), 100 mL ♦ Transfer pipet . ♦ Swimming pool water, 100 mL ♦ Waste container . Safety . Add these important safety precautions to your normal laboratory procedures: ♦ Silver nitrate

  • Influence of desensitizing and anti-erosive

    Objective: This study analyzed the effect of desensitizing and/or anti-erosive toothpastes on dentine permeability. Methods: One-mm dentin discs were prepared from human molars and exposed to EDTA solution (5 min, 17%). Initial dentine permeability was measured, under constant pressure. Specimens were randomly allocated into 10 groups: four anti-erosive toothpastes (calcium silicate + sodium

  • Effect of Lithium Nitrate on the Alkali‐Silica Reaction

    2008-10-1 · ASR gel samples obtained from a concrete dam were exposed to an aqueous solution of lithium nitrate and sodium hydroxide with molar LiNO 3 NaOH=0.74, and the resulting products were analyzed by X-ray diffraction, infrared spectroscopy, and solid-state nuclear magnetic resonance of 29 Si, 23 Na, and 7 Li. The treatment of the gel samples

  • A Review of Niobium-Tantalum Separation in

    2013-12-24 · To enhance the reaction, small amounts of oxidizers like sodium nitrate are added. The result is aluminium oxide and ferroniobium, an alloy of iron and niobium used in the steel production [21, 22]. The ferroniobium contains between 60 and 70% of niobium [23]. Without addition of

  • Direct magnetic enhancement of electrocatalytic

    2019-6-10 · On the one hand, a positive effect can be found associated with the influence of a magnetic field on the Lorentzian movement for diffusion of reagents and gas bubbles, therefore improving mass

  • Thermodynamic Study of the Aggregation Behavior of

    1999-6-11 · The self-association of sodium n-hexyl sulfate (SHS) in aqueous solution has been examined at 25.0 and 35.0 °C. The critical micellar concentration (cmc) and the degree of counterion binding, β, were determined by conductivity measurements at 25.0 °C. Both quantities were used to calculate the standard Gibbs energy change on micellization.

  • What is saltpeter used for and is it true it reduces

    2017-3-20 · The second part of the question is easy to answer. “Saltpetre,” (the term refers either to potassium or sodium nitrate) has no effect on carnal urges. The story that this chemical was put into soldiers’ food to decrease their sex drive is a total myth. Now on to the more serious aspects of saltpeter. One of the most deadly substances known to mankind is produced by Clostridium botulinum

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