Using sodium borohydride and boric acid
Neutron Imaging by Boric Acid
... with a single alpha should be a relatively large (mm) spot of low exposure. Many alphas striking close together will lead to quite a few photons in the same general area, producing a soft image very much like what ...
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Boric Acid Corrosion of Concrete Rebar
... adjusted using a control valve at the bottom of the block and the amount of solution in the plexiglass reservoir was maintained as constant as possible by pumping replacement solution from a plastic storage ...
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A direct borohydride – acid peroxide fuel cell
... The electrolyte circuit shown in Fig. 3 was constructed from PVC, PVDF and PTFE tubing and fittings. Magnetically cou- pled, centrifugal pumps (March May model TE-3K-MD) were used to circulate the electrolyte through the ...
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FORMULATION AND CHARACTERIZATION OF BORIC ACID TOPICAL FORMULATIONS
... ABSTRACT: The present study depicts formulation and characterization of boric acid gel formulations. The formulated gels intervenes the advantages of gels along with higher and effective antimicrobial ...
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Methods of enhancement of reactivity and selectivity of sodium borohydride for applications in organic synthesis
... School of Chemistry, Uni 6ersity of Hyderabad, Central Uni6ersity PO, Hyderabad 500 046 , India Received 29 February 2000; received in revised form 16 April 2000 Abstract NaBH 4 does not reduce carboxylic acids, esters, ...
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An improved solvent-free synthesis of flunixin and 2-(arylamino) nicotinic acid derivatives using boric acid as catalyst
... reported using boric acid as ...2-chloronicotic acid with boric acid was also investi- gated using Gaussian 03 program ...
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Bisulfate and Boric Acid Effects on Chlorophyll Degradation Kinetics
... Keywords: sodium bisulfate; boric acid; degradation kinetics; Chlorophyll; pheophytin I. INTRODUCTION Chlorophyll is a naturally important metal chelate, which exists as the green pigment of plants. ...
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Raman spectroscopic study on the behavior of boric acid in wood
... There have been few reports on the Raman spectra of lignocellulosics, except those by Agarwal et al. 7,8 and Atalla and Agarwal, 9,10 until recently because the fluorescence aris- ing from visible laser irradiation makes ...
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Boric acid Catalyzed efficient Synthesis of Dipyrromethanes in Water
... Melting point sof compounds are uncorrected and obtained on Thomas Hoover Unimelt capillary melting point apparatus. Infrared spectra are recorded on Perkin-Elmer FT-2000 spectrometer and ν max in expressed in cm -l . ...
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Genotoxic effects of boric acid and borax in zebrafish, Danio rerio using alkaline comet assay
... Keywords: boric acid, borax, genotoxicity, Comet assay, Danio rerio INTRODUCTION Boron is naturally present everywhere on the earth, including in rocks, soils, and natu- ral ...
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Influence of Boric Acid and Sucrose on the Germination and Growth of Areca Pollen
... g/L boric acid, 40 g/L sucrose, and 5 g/L ...and using MS Excel, we determined and plotted the relationship between culture time and average areca pollen tube length (Figure ...
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Boric Acid: As a Green Catalyst for the Conversion of Aldehydes and Ketones to Gem-Dihydroperoxides Using Aqueous 30% H2O2
... work, boric acid has been explored as an effective, inexpensive, commercially available, green and homogenous solid catalyst for catalyze peroxidation of aldehydes and ketones to corresponding ...
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Comparative Effects of Boric Acid and Calcium Fructoborate on Breast Cancer Cells
... Caspase-3 Assay We measured the activity of caspase-3 by using a Chemicon ’s Colorimetric Caspase-3 Assay Kit that is based on enzyme’s ability to recognize and cleave a substrate containing the DEVD motif. ...
Wear Performance Analysis of Cottonseed Oil as a Lubricant with Boric Acid Additive
... by using vegetable oil [8], the common conclusions of all these studies suggest that the vegetable oil can be used in industry ...of boric acid with oils and greases and concluded that lubricity of ...
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Boric Acid Radiolysis in Primary Coolant Water of PWR at Temperature of 250oC
... of boric acid addition into the primary coolant water system of PWR to suppress oxygen concentration resulted from gamma-ray radiation is essential to be ...of boric acid adding toward oxygen ...
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Distribution of boron in wood treated with aqueous and methanolic boric acid solutions
... treatment using methanolic ...studies using Raman ...for boric acid and borates, and it enables us to obtain information on relative changes in boron content from the Raman scatter- ing ...
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Experimental Study and Reactive Transport Modeling of Boric Acid Leaching of Concrete
... by boric acid ...performed using different boric acid concentrations, crack apertures, and solution flow ...in boric acid solutions for several months and the ...
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DEVELOPMENT OF SOLID SODIUM BOROHYDRIDE HYDROGEN GAS GENERATOR FOR PORTABLE PEM FUEL CELL APPLICATIONS
... hydrolysis system by highlighting three main contributions. First, the usage of solid state NaBH 4 enables to increase the gravimetric H 2 storage capacity of the system in order to meet international targets. Second, ...
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One-Pot Facile Synthesis of New 1, 2, 4-Triazolidine Derivatives Using Sodium Borohydride and Fe3O4 Magnetic Nanoparticles (MNPs)
... (*) Corresponding author: [email protected] (Received: 15 November 2015 and Accepted: 04 August 2016) Abstract One-pot reaction of aldehydes with thiosemicarbazide was performed using NaBH 4 and Fe 3 O 4 ...
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zinc borohydride pdf
... only sodium borohydride has gained commercial status, in spite of its poor solubility in organic solvents and lesser ...lithium borohydride, 2 calcium borohydride, 2 and zinc ...
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