نتایج جستجو برای: ethylenediaminetetraacetic acid tetrasodiumsalt dehydrate

تعداد نتایج: 747677  

Journal: :international journal of environmental research 2014
f. moyo r. tandlich

ecotoxicity of rhodium (rh) from the model of mining waste water side stream was examinedin this paper. rh was extracted from the model of the mining waste water using an emulsion liquid membrane(elm). the extractions were done at ph of 1.87 and ph 2.92 and 41.6 % and 46.2 % of rh was extractedrespectively. the side streams of ph of 1.87 and ph 2.92 after the extractions were examined for ecoto...

2014
Bei Cheng Bindu Thapa Peisheng Xu

Materials: Glycol chitosan (GCS, Mw = 200 kDa; degree of deacetylation = 90%), potassium persulfate, sodium borohydride, succinic anhydride, melittin from bee venom, sodium dodecyl sulfate, D-(+)-trehalose dehydrate, N-succinimidyl 3-[2-pyridyldithio]-propionate (SPDP), tris(2carboxyethyl)phosphine (TCEP), triethlyl amine (TEA), ethylenediaminetetraacetic acid (EDTA), and dimethyl sulfoxide (DM...

Journal: :jundishapur journal of microbiology 0
bizhan malaekeh-nikouei nanotechnology research centre, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran bibi sedigheh fazly bazzaz biotechnology research center, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran; biotechnology research center; school of pharmacy, mashhad university of medical sciences, mashhad, ir iran. tel: +98-5118823252, fax: +98-5118823251 email: vahid soheili medicinal chemistry department, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran kobra mohammadian medicinal chemistry department, school of pharmacy, mashhad university of medical sciences, mashhad, ir iran

background today, the use of cyclodextrins (cds) is a major concern in drug formulations to improve solubility and stability of compounds. it has been known that cds can reduce the antimicrobial effectiveness of preservatives by formation of inclusion complexes. objectives in this study the interaction between commonly used preservatives, benzalkonium chloride (bzcl) or methyl paraben (mp), wit...

Journal: :European Journal of Dentistry 2013

2014
Harihara M. Mehendale

Ethylenediaminetetraacetic acid (EDTA) was developed by Franz Munz inGermanyduring the 1930s as an alternative to citric acid. About the same time, Frederick Bersworth synthesized EDTA in the United States using a different technique. He obtained aUSpatent for this technique in1945. EDTAwas approvedby the US Food and Drug Administration (FDA) as a food additive in 1947. Since the early 1950s, E...

Journal: :iranian endodontic journal 0
miriam zaccaro scelza fernando de noronha licinio esmeraldo da silva university federal fluminense marcos maurício marco antonio gallito pantaleo scelza

introduction: the aim of this in vitro study was to evaluate the effect of 10% citric acid and 17% ethylenediaminetetraacetic acid (edta) irrigating solutions on the surface morphology of young and old root dentin by determining the number and diameter of dentinal tubules using scanning electron microscopy (sem). methods and materials: fifty healthy human teeth collected from young (≤30 years) ...

2013
Zahed Mohammadi Sousan Shalavi Hamid Jafarzadeh

Ethylenediaminetetraacetic acid (EDTA) is a chelating agent can bind to metals via four carboxylate and two amine groups. It is a polyamino carboxylic acid and a colorless, water-soluble solid, which is widely used to dissolve lime scale. It is produced as several salts, notably disodium EDTA and calcium disodium EDTA. EDTA reacts with the calcium ions in dentine and forms soluble calcium chela...

Journal: :Canadian Journal of Chemistry 1963

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