Formic acid
10,11 Dihydrocarbamazepine formic acid solvate
... 10,11-Dihydrocarbamazepine (DHC) is a recognized impurity in carbamazepine (CBZ), a dibenzazepine drug used to control seizures (Cyr et al., 1987). DHC is known to crystallize in three polymorphic forms: monoclinic form ...
7
HOCO formation in astrochemical environments by radical-induced H-abstraction from formic acid
... The inclusion of ZPE for the activation energies lowers the bar- rier, similar to the unimolecular case. This is because the C–H vibration in the separated reactant formic acid, that has a large con- ...
8
Synthesis of Highly Active Pt-Pd-Cu/C Catalysts for Formic Acid Oxidation
... In this work, a series of carbon supported Pt-Pd-Cu trimetallic (Pt-Pd-Cu/C) nano-catalysts (metallic loading of 20 wt %, atomic ratios of Pt to Pd to Cu being 1:1:1, 1:2:1, 1:5:1, 1:4:2, 1:3:3) were prepared towards ...
15
EFFECT OF TEMPERATURE AND FORMIC ACID CONCENTRATION ON DELIGNIFICATION OF LEUCAENA LEUCOCEPHALA (PAGE 68-79)
... that formic acid concentration (75 to 85%) is not high enough to create β-aryl ether ...concentrated acid could facilitated β-ether cleavage but may be limited by solvent-specific reactions ...
12
Synthesis of Naphthopyranopyrimidines Using Formic Acid as an Effective Catalyst under Solvent-free Conditions
... In order to optimize the reaction conditions, as a model reaction, the coupling of β-naphthol (1.0 mmol) with benzaldehyde (1.0 mmol) and 6-amino-1,3-dimethyl uracil (1.0 mmol) was studied in the presence of various ...
7
Effect of acetic acid: Formic acid ratio on characteristics of pulp from oil palm empty fruit bunches (OPEFB)
... OPEFB is suitable and a potential renewable biomass material for the conversion of other valuable product because it is locally abundant and has high content of lignocellulosic components [3-4]. The average length of ...
6
Polyoxometalate Modified Carbon Supported Pd-Cu Bimetallic Catalyst For Formic Acid Oxidation
... catalyst, whose specific current of formic acid oxidation was improved with a factor of 7.07 as compared to Pd/C catalyst. The lower d-band centre of Pd and the shrunk Pd crystal lattice were developed by ...
16
PEDOT Nanowires and Platinum Nanoparticles Modified Electrodes to be Assayed in Formic Acid Electro-oxidation
... Considering that conducting polymers applications have been favored by using them as nanostructure, our research group obtained polythiophene (Pth) nanowires, with a diameter of 5.7 nm, using for the first time only ...
8
Progress in inorganic cathode catalysts for electrochemical conversion of carbon dioxide into formate or formic acid
... the requirements for commercialization, several directions should be focused on in the future: (1) Exploration of new cathode catalysts. Several metals and oxides such as tin / tin oxide are good cathode catalysts with ...
51
Sub-3 nm Pd-graphene Nanosheets with Outstanding Electrocatalytic Oxidation of Formic Acid
... reported to show high activity for formic acid oxidation. [28, 29] The recent emergence of graphene nanoelectronics has opened a new avenue for utilizing 2-dimensional carbon material as a support in PEM ...
8
Electrocatalytic Oxidation of Formic Acid at Manganese Oxide Nanorods Modified Electrodes: Effect of Substrate
... Electrochemical oxidation of formic acid (FA) has been investigated at manganese oxide nanorods (nano-MnOx) modified electrodes (i.e., Au, Pt, GC and Pd). The electrocatalytic activity of the aforementioned ...
7
Formic Acid and Microwave Assisted Extraction of Curcumin from Turmeric (Curcuma longa L.)
... 2. 2. 4. Formic Acid-assisted Extraction A 4 g of irradiated powder was dissolved in 40ml of formic acid. The suspension was filtered and the filtrate was neutralized with 1.2 N sodium ...
7
Electrooxidation of Formic Acid and Formaldehyde on the Fe3O4@Pt Core-Shell Nanoparticles/Carbon-Ceramic Electrode
... reactions, formic acid electrooxidation is gaining more and more attention, not only for its model role in the electrooxidation of small organic molecules, but also it is a promising fuel that was used in ...
14
Facile One-pot Synthesis of Carbon Supported PdCuCo Nanoalloy Catalysts for Formic Acid Electrooxidation
... The morphology and particle size distribution histograms of the Pd/C, PdCu/C, and PdCuCo/C catalysts are depicted in Figure 1. In Figure 1a, it can be seen that the Pd nanoparticle has no obvious agglomeration phenomenon ...
12
A Performance Evaluation of a Microchannel Reactor for the Production of Hydrogen from Formic Acid for Electrochemical Energy Applications
... from formic acid could be integrated and optimized with exothermic conversion of the products of formic acid decomposition in ...from formic acid is the ability to generate ...
13
Self-assembly of Pd Nanoparticles on Anatase Titanium Dioxide and Their Application in Formic Acid Fuel Cells
... 50mV·s −1 . As two key parameters in electrocatalysis, the anodic peak current density and peak potential represent the catalytic capability of material for FAOR and the amount of formic acid oxidized on ...
11
Effects of plant species, stage of maturity, and level of formic acid addition on lipolysis, lipid content, and fatty acid composition during ensiling
... with formic acid caused a remarkable increase in the DAG fraction and decreased the amount of NEFA compared with untreated ...phosphoric acid or ga- lactose units) proceeded as expected, but ...
18
Poly[[silver(I) μ 4,4′ bipyridine μ formato] monohydrate formic acid solvate]
... A part of the polymeric chain, illustrating the coordination environment of the Ag atom in (I). Displacement ellipsoids are shown at the 50% probability level. Only one component of the disordered formic ...
8
Comparative Study of Variability of Formic Acid and Acetic Acid in the Atmosphere of the Humid Savannah of Lamto in Côte d'Ivoire and Djougou in Benin
... The enrichment of the FA and AA contents in the dry season is due to the intensification of inputs from the different sources mainly from the source of biomass burning [25, 39, 41, 42]. Indeed, during this season the ...
10
Development of Tailor-Designed Gold-Platinum Nanoparticles Binary Catalysts for Efficient Formic Acid Electrooxidation
... C) in a conventional two-compartment three-electrode glass cell using an EG&G potentiostat (model 273A) operated with Echem 270 software. A field emission scanning electron microscope (FE-SEM, QUANTA FEG 250) coupled ...
8