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Sol-gel Transition of Methylcellulose Solution in the Coexistence of Hexadecyltrimethylammonium Bromide and Sodium Chloride
Sol-gel transition Methylcellulose NaCl HTAB
2012/4/5
The sol-gel transition of methylcellulose (MC) solution in the presence of NaCl and hexade-cyltrimethylammonium bromide (HTAB), together with MC/NaCl solution in the presence of HTAB and MC/HATB solut...
Determination of ceftriaxone, ceftizoxime, paracetamol, and diclofenac sodium by capillary zone electrophoresis in pharmaceutical formulations and in human blood serum
Capillary zone electrophoresis paracetamol ceftriaxone
2010/12/29
A simple and fairly fast capillary zone electrophoresis method has been developed for the determination and separation of ceftriaxone, ceftizoxime, paracetamol, and diclofenac sodium in a mixture, in ...
Direct reductive amination of carbonyl compounds using sodium borohydride-silica chloride
Reductive amination silica chloride sodium borohydride
2010/10/15
A simple and convenient procedure for reductive amination of aldehydes and ketones using sodium borohydride in the presence of silica chloride as an active, inexpensive, recoverable, and recyclable ca...
Synthesis and Swelling Behavior of Starch-Poly (Sodium Acrylate-co-Acrylamide) Superabsorbent Hydrogel
Starch, polyacrylonitrile hydrogel superabsorbent swelling behavior
2010/4/16
Superabsorbent polymers based on starch (St) and polyacrylonitrile (PAN) were prepared by alkaline hydrolysis of the physical mixture of St and PAN in aqueous solution. The nitrile groups of PAN were ...
Investigation of Solid State Synthesis and Characterizations of Novel Sodium Rare-Earth Oxyphosphates
Oxyphosphates Rare-earths Sodium Rare Earth Oxyphosphate Raman powder XRD SEM
2010/4/16
A new orthorhombic phase of Na2LaOPO4 (sodium lanthanum oxyphosphate), and novel Na2NdOPO4 (sodium neodymium oxyphosphate), Na2SmOPO4 (sodium samarium oxyphosphate) were synthesized by solid state rea...
摘要 Sodium tetrafluoroborate (NaBF4) was found to catalyze the electrophilic substitution reactions of indoles with aldehydes and ketones under solvent-free conditions to afford the corresponding bis(i...
Synthesis and Physico-chemical and Spectroscopic Investigations of Sodium Dihydrobis(1,2,3-benzotriazolyl)borate Ligand and Its Transition Metal Complexes
Dihydrobis(1,2,3-benzotriazolyl)borate ligand metal complexes spectral studies electronic spectra
2010/4/19
The title ligand, sodium dihydrobis(1,2,3-benzotriazolyl)borate, Na[H2B(BTz)2], was synthesized by refluxing 1 mole of sodium borohydride with 2 moles of 1,2,3- benzotriazole in toluene. The ligand sh...
Reactions of Alkenes with Sodium Perborate and Sodium Chloride
Alkenes acetoxy alcohols chlorohydrins sodium perborate sodium chloride
2010/4/19
Sodium perborate oxidatively chlorinates a variety of alkenes with sodium chloride to form the corresponding chloro derivatives under mild conditions.
The Electroanalytical Determination of Sodium Borohydride Using a Gold Electrode
Borohydride square wave voltammetry electrolysis
2010/4/20
It was shown that square wave voltammetry, a technique with a much lower detection limit, could be successfully used in the detection of borohydride formed in alkaline medium. A Au electrode was found...
Kinetics and Mechanism of Oxidation of L-Isoleucine and L-Ornithine Hydrochloride by Sodium N-Bromobenzenesulphonamide in Perchloric Acid Medium
Bromamine-B Oxidation Kinetics Amino acids
2010/4/21
Kinetic studies of the oxidation of L-isoleucine (ISL) and L-ornithine hydrochloride (ORH) by sodium N-bromobenzenesulphonamide (bromamine-B or BAB) were studied in aqueous perchloric acid medium. The...
Micelle Formation in Sodium Dodecyl Sulfate and Dodecyltrimethylammonium Bromide at Different Temperatures
Critical micellar concentration dodecyltrimethylammonium bromide sodium dodecyl sulfate hydrochloric acid potassium hydroxide pH phase separation
2010/4/21
pH changes as a function of concentration for sodium dodecyl sulfate (SDS) and dodecyltrimethylammonium bromide (DTAB) were observed by the addition of 1 N HCl and 1 N KOH. pH values increased up to t...
Bromination of Benzonorbornadiene Using a Mixture of Sodium Bromide and Sodium Perborate at High Temperatures
Bromination benzonorbornadiene high temperature bromination sodium perborate
2010/4/22
Bromination of benzonorbornadiene (1) with sodium bromide in the presence of sodium perborate at room temperature gave only one product, the dibromide 2 produced via Wagner-Meerwein rearrangement. How...
Swelling of Superabsorbent Acrylamide/Sodium Acrylate Hydrogels Prepared Using Multifunctional Crosslinkers
Swelling Superwaterabsorbent Hydrogel Diffusion Crosslinking
2010/4/22
Swelling of Superabsorbent Acrylamide/Sodium Acrylate Hydrogels Prepared Using Multifunctional Crosslinkers.
Structural Studies of Water-Soluble b-Brominated Manganese Porphyrins: Stabilities of MnTDCSPPBr 8 and MnTSPPBr 8 as Homogeneous and Supported Reagents Toward Hydrogen Peroxide and Sodium Hypochlorite
Water-Soluble b-Brominated Manganese Porphyrins Stabilities of MnTDCSPPBr 8 MnTSPPBr 8 as Homogeneous Supported Reagents Toward Hydrogen Peroxide Sodium Hypochlorite
2010/6/27
This article describes the structural stabilities of [2,3,7,8,12,13,17,18-octabromo-5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinato]manganese(III) X (where X = H2O and/or OH- , depending...
Spectrophotometric Determination of Cobalt, Nickel Palladium, Copper, Ruthenium and Molybdenum Using Sodium Isoamylxanthate in Presence of Surfactants
Sodium isoamylxanthate surfactants metal ions environmental samples
2010/6/27
A direct method has been developed for the spectrophotometric determination of microamounts of Co(II), Ni(II), Cu(II), Pd(II), Ru(III) and Mo(VI) using sodium isoamylxanthate as a reagent in the prese...