نمایش نتایج جستجو برای
نویسنده: Ali Sarafraz Yazdi
موارد یافت شده: 91
1 - A novel solid-phase microextraction using coated fiber based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes for determination of benzene, toluene, ethylbenzene and o-xylene in water samples with gas chromatography-flam ionization detector (چکیده)2 - Liquid-phase microextraction (چکیده)
3 - An insight into the determination of trace levels of benzodiazepines in biometric systems: Use of crab shell powder as an environmentally friendly biosorbent (چکیده)
4 - Investigation of the amount of phthalate esters in baby diapers using nanoparticles of magnetic polyaniline coated chitosan in solid phase extraction and gas chromatography (چکیده)
5 - New application of Chitosan grafted Polyaniline in dispersive solid phase extraction for separation and determination of phthalate esters in milk using high-performance liquid chromatography (چکیده)
6 - Fluorine-tin oxide (FTO) electrode modified with platinum nanoparticles dispersed into montmorillonite clay as an effective and low cost catalyst for ethanol electrooxidation (چکیده)
7 - Preparation of Fe3O4@polypyrrole/carbon nanospheres and their application for solid-phase extraction of polycyclic aromatic hydrocarbons (PAHs) from environmental water samples (چکیده)
8 - Separation and determination of phthalate esters in milk using Chitosan grafted Polyaniline in dispersive solid phase extraction coupled with high-performance liquid chromatography (چکیده)
9 - Polyethylene glycol grafted flower‐like cupric nano oxide for the hollow‐fiber solid‐phase microextraction of hexaconazole, penconazole, and diniconazole in vegetable samples (چکیده)
10 - Magnetic solid-phase extraction of polycyclic aromatic hydrocarbons in water samples by Fe3O4 @polypyrrole/carbon nanotubes (چکیده)
11 - Synthesis and characterization of composite polymer, polyethylen glycol grafted flower-like...... (چکیده)
12 - Polyethylene glycol grafted flower-like cupric nano oxide for hollow fiber solid phase microextraction of hexaconazole, penconazole and diniconazole in vegetable samples (چکیده)
13 - Combination of artificial neural network and genetic algorithm method for modeling of methylene blue adsorption onto wood sawdust from water samples (چکیده)
14 - Determination of Aromatic Amines Using Solid-Phase Microextraction Based on an Ionic Liquid-Mediated Sol–Gel Technique (چکیده)
15 - Determination of melamine in soil samples using surfactant-enhanced hollow fiber liquid phase microextraction followed by HPLC–UV using experimental design (چکیده)
16 - Application of molecularly-imprinted polymers in solid-phase microextraction techniques (چکیده)
17 - Carbon nanofibers decorated with magnetic nanoparticles as a new sorbent for the magnetic solid phase extraction of selected polycyclic aromatic hydrocarbons from water samples (چکیده)
18 - Development of a poly (ethylene glycol)– graphene oxide sol– gel coating for solid-phase microextraction of aromatic amines in water samples with a gas chromatography-flame ionization detector method (چکیده)
19 - Headspace solid phase microextraction of volatile aromatic hydrocarbons using a steel wire coated with an electrochemicalprepared nanocomposite consisting of polypyrrole, carbon nanotubes, and titanium oxide (چکیده)
20 - New polypyrrole–carbon nanotubes–silicon dioxide solid-phase microextraction fiber for the preconcentration and determination of benzene, toluene, ethylbenzene, and o-xylene using gas liquid chromatography (چکیده)
21 - A non-ionic surfactant-mediated sol–gel coating for solid-phase microextraction of benzene, toluene, ethylbenzene and o-xylene in water samples using a gas chromatography-flame ionization detector (چکیده)
22 - Preparation of an ionic liquid-mediated carbon nanotube-poly(dimethylsiloxane) fiber by sol–gel technique for determination of polycyclic aromatic hydrocarbons in urine samples using head-space solid-phase microextraction coupled with gas chromatography (چکیده)
23 - Electropolymerized polypyrrole/multiwalled carbon nanotubes/TiO2 composite on stainless steel wire for solid-phase microextraction of BTEX coupled to GC-FID (چکیده)
24 - Multiwalled carbon nanotubes/polypyrrole/SiO2 composite prepared by electrodeposition technique as a new solid phase microextraction sorbent for preconcentrationon of BTEX (چکیده)
25 - Carbon nanotube assisted sol-gel based hollow fiber solidphase microextraction combined with pre-heating injectionhigh performance liquid chromatography as a novel sample preparation method for determination of nitroaromatics (چکیده)
26 - Ionic-liquid-mediated poly(dimethylsiloxane)- grafted carbon nanotube fiber prepared by the sol–gel technique for the head space solid-phase microextraction of methyl tert-butyl ether using GC (چکیده)
27 - Determination of Mercury in Real Water Samples Using in situ Derivatization Followed by Sol-Gel–Solid-Phase Microextraction with Gas Chromatography–Flame Ionization Detection (چکیده)
28 - Simultaneous Determination of Vitamin A and E in Infant Milk Formulas Using Semi-Micro liquid–liquid Extraction Followed by HPLC-UV (چکیده)
29 - A solid phase microextraction coating based on ionic liquid sol–gel technique for determination of benzene, toluene, ethylbenzene and o-xylene in water samples using gas chromatography flame ionization detector (چکیده)
30 - Determination of Hg(II) in Environmental Water Samples Using DLLME Method Prior to GC-FID (چکیده)
31 - Simultaneous derivatization and extraction of iodine from milk samples by hollow fiber liquid-phase microextraction followed by gas chromatography-electron capture detection (چکیده)
32 - Determination of monocyclic aromatic amines using headspace solid-phase microextraction based on sol–gel technique prior to GC (چکیده)
33 - Solid-phase microextraction based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes as extracting phase (چکیده)
34 - Pre-Concentration and Determination of β-Blockers Using Carbon Nanotube-Assisted Pseudo-Stirbar Hollow Fiber... (چکیده)
35 - Determination of phenolic compounds in water and urine samples using solid-phase microextraction based on sol–gel technique prior to GC-FID (چکیده)
36 - Headspace solid-phase microextraction using poly(ethylene glycol) grafted multi-walled carbon nanotube fibers for the determination of methyl tert-butyl ether in water samples (چکیده)
37 - Determination of non-steroidal anti-inflammatory drugs in urine by hollow-fiber liquid membrane-protected solid-phase microextraction based on sol–gel fiber coating (چکیده)
38 - Pre-concentration of non-steroidal anti-inflammatory drugs in water using dispersive liquid–liquid and single-drop microextraction with high-performance liquid chromatography In (چکیده)
39 - simultaneous determination of metoprolol and propranolol using Using Chemometric-Assisted Spectrophotometric nd High-Performance Liquid Chromatography (چکیده)
40 - Determination of non-steroidal anti-inflammatory drugs in water samples by solid-phase microextraction based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes coated fiber (چکیده)
41 - Determination of Triazole Fungicides Using Hollow Fiber Liquid Phase Microextraction Prior to Gas Chromatography−Mass Spectrometry Analysis (چکیده)
42 - Design, synthesis and evaluation of a molecularly imprinted polymer for hollow fiber–solid phase microextraction of chlorogenic acid in medicinal plants (چکیده)
43 - Comparative study of the sol–gel based solid phase microextraction fibers in extraction of naphthalene, fluorene, anthracene and phenanthrene from saffron samples extractants (چکیده)
44 - a novel solid phase microextraction using cadted fiber based sol gel techinque using poly (ethylene glycol) grafted multi-walled carboon nanotubes for determination of BTEX in water sample with gas chromatography falm ionization detector (چکیده)
45 - Determination of furan in food samples using two solid phase microextraction fibers based on sol–gel technique with gas chromatography–flame ionisation detector (چکیده)
46 - Determination of volatile organic compounds in environmental water samples using three solid-phase microextraction fibers based on sol–gel technique with gas chromatography–flame ionization detector (چکیده)
47 - A novel solid-phase microextraction using coated fiber based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes for determination of benzene, toluene, ethylbenzene and o-xylene in water samples with gas chromatography-flam ionization detector (چکیده)
48 - Surfactant-Extraction Method (چکیده)
49 - Separation and Determination of Amitriptyline and Nortriptyline in Biological Samples Using Single-Drop Microextraction with GC (چکیده)
50 - Capillary Gas Chromatographic determination of Palladium Chelates using MIP-AED (چکیده)
51 - Comparative Gas Chromatography of Halides using different substituted Phenylboronic acids as derivatizing reagents (چکیده)
52 - Capillary Gas Chromatography of Chloride and bromide as Phenylboronic acid/mercuric nitrate derivatives with MIP-AED (چکیده)
53 - Capillary Gas Chromatographic determination of Chloride using 2,4-dichlorophenylboronic acid as a derivatizing reagent (چکیده)
54 - Capillary Gas Chromatographic determination of Copper and Nickel using MIP-AED (چکیده)
55 - Platinum-selective capillary gas chromatographic determination with microwave-induced plasma atomic emission detection (چکیده)
56 - A Polarographic Study of Tl+, Pb2+ and Cd2+ Complexes with Aza-18-crown-6 and Dibenzopyridino-18-crown-6 in some Binary Mixed Non-aqueous Solvents (چکیده)
57 - Application of Sol–Gel Based Poly(ethylene glycol)/Multiwalled Carbon Nanotubes Coated Fiber for SPME of Methyl tert-Butyl Ether in Environmental Water Samples (چکیده)
58 - Ionic Liquid-Based Submerged Single Drop Microextraction: a New Method for the Determination of Aromatic Amines in Environmental Water Samples (چکیده)
59 - Comparative study of direct immersion and headspace single drop microextraction techniques for BTEX determination in water samples using GC-FID (چکیده)
60 - Determination of chlorophenols in environmental water samples using directly suspended droplet liquid-liquid-liquid phase microextraction prior to high-performance liquid chromatography (چکیده)
61 - Comparative study of the three sol–gel based solid phase microextraction fibers in extraction of BTEX from water samples using gas chromatography- flame ionization detection (چکیده)
62 - Determination of Hg in natural water by Diphenylation by SDME-GC (چکیده)
63 - Liquid Phase Microextraction (چکیده)
64 - Determination of 3-nitroaniline in water samples by directly suspended droplet three-phase liquid-phase microextraction using 18-crown-6 ether and high-performance liquid chromatography (چکیده)
65 - High-performance liquid chromatographic enantioseparation of drugs containing multiple chiral centers on chiral stationary phases (چکیده)
66 - A new high-speed hollow fiber based liquid phase microextraction method using volatile organic solvent for determination of aromatic amines in environmental water samples prior to high-performance liquid chromatography (چکیده)
67 - A new high speed hollow fibre based liquid phase microextraction method using volatile organic solvent for determination of aromatic amines... (چکیده)
68 - Separation and determination of benzene, toluene, ethylbenzene and o-xylene compounds in water using SDME coupled with GC (چکیده)
69 - Separation and determination of Antidepressant drugs ..... (چکیده)
70 - A Combination of ultrasound and a biocatalyst: removal of 2-Chlorophenol from aqueous solution (چکیده)
71 - Surfactant enhanced LPME of basic drugs of abuse in hair combined with HPLC (چکیده)
72 - Comparison of Hollow Fiber and single-Drop Liquid-phase Microextraction Techniques for HPLC Determin (چکیده)
73 - ANTIBIOTIC ASSISTED THREE-PHASE LIQUID-PHASE MICROEXTRACTION OF AROMATIC AMINES FROM AQUEOUS SOLUTIO (چکیده)
74 - A combination of ultrasound and inorganic catalyst: removal of 2-chlorophenol from aqueous solution (چکیده)
75 - Liquid-liquid-liquid phase microextraction of aromatic amines in water using crown ethers by high-performance liquid chromatography (چکیده)
76 - Two-step hollow fiber-based, liquid-phase microextraction combined with high-performance liquid chro (چکیده)
77 - LC Determination of Mono-Substituted phenols in water Using liquid-liquid - liquid phase Microextrac (چکیده)
78 - Liquid-liquid-liquid phase microextraction of aromatic amines in water using crown ethers by high-performance liquid chromatography (چکیده)
79 - Effect of cathodic electrolyte on the performance of electrochemical hydride generation from graphit cathode (چکیده)
80 - Determination of Trace of Methyl tert–ButyL Ether in water using Liquid Drop Headspace sampling and (چکیده)
81 - Gas chromatography of copper (ii) nickel (ii) palladium (ii) and vanadium (iv) using Atomic Emission Detection (چکیده)
82 - Membrane extraction with sorbent interface-gas chromatography as effective and fast means for contineous monitoring of thermal degradation products of .. (چکیده)
83 - A polarographic study of tl+,pb2+and cd2+ complexes with aza-18-crown-6 and dibenzopyridino-18-crown (چکیده)
84 - separation and determination of some inorganic anions with phenylboronic acid as a derivatizing reagent ... (چکیده)
85 - Studies on separation and determination of several cephalosporin antibiotics by high performance liquid Chromatography (چکیده)
86 - Separation and determination of tetracycline antibiotics (tcs) using high performancel liquid Chromatography (چکیده)
87 - Separation and Determination of Benzene, Toluene, Ethylbenzene and O-Xylene Compounds in Water Using Directly Suspended Droplet Microextraction coupled with Gas Chromatography-Flame Ionization Detector (چکیده)
88 - Directly Suspended Droplet Microextraction and Analysis of Amitriptyline and Nortriptyline by GC (چکیده)
89 - Directly Suspended Droplet Three Liquid Phase Microextraction of Diclofenac Prior to LC (چکیده)
90 - BTEX determination in water matrices using HF-LPME with gas chromatography–flame ionization detector (چکیده)
91 - Separation and determination of amitriptyline and nortriptyline by dispersive liquid–liquid microextraction combined with gas chromatography flame ionization detection (چکیده)
