[PDF] Top 20 SORBENT SELECTION FOR SOLID PHASE EXTRACTION pdf
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SORBENT SELECTION FOR SOLID PHASE EXTRACTION pdf
... Ion-exchange sorbents usually contain both weak and strong cation and anion functional groups bonded to the silica gel (Table 1). Strong cation- exchange sorbents contain ion-exchange sites consist- ing of sulfonic acid ... See full document
9
A novel sorbent for solid phase extraction coupling to high performance liquid chromatography for the determination of olaquindox in fish feed
... functionalised sorbent for the extraction and determination of trace OLA in samples coupled with HPLC, 200 mg of MIP or NIP was packed into an empty SPE ...the sorbent-packed ...the extraction ... See full document
7
RESTRICTED ACCESS MEDIA SOLID PHASE EXTRACTION pdf
... Figure 3 Schematic representation of a polymer-based RAM material modified in pore-size selective fashion using a polymer catalyst. (Reproduced with permission from Smigol V, Svec F and Fre H chet JMJ (1994) Novel ... See full document
5
POLYCYCLIC AROMATIC HYDROCARBONS Solid Phase Extraction pdf
... For solid samples, such as soils, sludge, sediments and tissues, the classical Soxhlet extraction is still used, but the extraction is tedious and ...solvent extraction and ultrasonic ... See full document
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Multiwall carbon nanotube-g-(agarose-g-polymethyl methacrylate) and (agarose-g-polymethyl methacrylate) sorbents for extraction of pesticides and heavy metal ions from aqueous matrices
... called sorbent/material-based ...as solid phase microextraction (SPME) (Cavaliere et ...sorptive extraction (SBSE) (Maggi et al., 2008), dispersive solid phase extraction ... See full document
50
SOLID PHASE MATRIX DISPERSION EXTRACTION pdf
... Several extraction studies designed to isolate a variety of different drugs have shown that addition of chelating agents, acids, bases, ...blended phase and the elut- ing ... See full document
6
MOLECULAR IMPRINTS FOR SOLID PHASE EXTRACTION pdf
... The applicability of imprinted polymers for SPE has been demonstrated on a number of compounds such as herbicides and drugs, which have been selectively extracted even from complex samples like beef liver extract, bile, ... See full document
6
A Simple and Fast Method Based on New Magnetic Ion Im-printed Polymer as a Highly Selective Sorbent for Preconcentra-tion and Determination of Cadmium in Environmental Samples
... liquid-liquid extraction , solid-liquid extraction (3), liquid-phase Micro-extraction (4), solid-phase micro extraction (5), molecular imprinted poly- mer ... See full document
10
Quantitative and enantioselective analysis of monoterpenes from plant chambers and in ambient air using SPME
... gas phase bio- genic ...adsorption/solvent extraction (Yassaa et ...the extraction efficiencies as a function of sampling time, the linearity of SPME adsorption and detection limit were also ... See full document
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Solid Phase Microextraction pdf
... sample extraction, SPME is also a solvent-free sample introduction tech- nique which facilitates design of a simple, low volume injection ...min extraction and separation of 28 Envir- onmental Protection ... See full document
9
Comparative Evaluation of Extraction Procedures and Chromatographic Techniques for Analysis of Multiresidue Pesticides in Honey
... (solid phase extraction) have advantage over SE for less solvent consumption, its robust, rapid and comparatively simple ...as sorbent for the extraction of 9 organochlorines, 5 ... See full document
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← Return to Article Details MAGNETIC SOLID PHASE EXTRACTION APPLICATIONS COMBINED WITH ANALYTICAL METHODS FOR DETERMINATION OF DRUGS IN DIFFERENT MATRICES REVIEW
... MNPs are used for separation of almost all analytes, whether simple or complex. The excellent properties of MNPs, together with the advantage for use, enhance the functionalization of their surfaces. More attention ... See full document
11
A Novel Magnetic Nano-hybrid as a Sorbent for Solid-phase Extraction-spectrophotometric Determination of Methyl Violet 10B Dye
... unique solid phase for magnetic solid phase for Methyl violet ...(easy sorbent separation by magnet), however, its pre-concentration factor is more than that of some other ... See full document
15
New sol-gel silica nanoparticles coated cyanopropyltriethoxysilane as alternative solid phase extraction sorbent for organophosphorus pesticides
... simultaneous extraction of three organophosphorus pesticides (OPPs) of different polarity namely dicrotophos, diazinon and chlorpyrifos prior to LC-UV detection at 270 ...The sorbent produced was ... See full document
12
Molecularly imprinted polymer solid phase extraction for the analysis of organophosphorus pesticides in food samples
... as solid phase extraction (SPE) sorbent for sample enrichment in the analysis of organophosphorus pesticides ...the extraction efficiency of the imprinted polymers were evaluated to ... See full document
32
HERBICIDES Solid Phase Extraction pdf
... Experiments have been recently designed to ex- plore the possibility of recovering herbicide residues from food, soil, biological liquid and tissue samples by SPE. For liquid matrices, such as plasma, urine, fruit juice ... See full document
15
Polyaniline/Graphene Nanocomposite as a Promising Sorbent for Dispersive Solid Phase Extraction of Avermectins from Citrus Fruit Juice
... including sorbent amount, extraction time, ionic strength, type and volume of desorption solvent, desorption time were ...the extraction efficiency under investigated ... See full document
9
Solid Phase Extraction pdf
... for solid-phase extraction have been demonstrated so far, most of which are for the isolation of drugs from biological S uids, but the future for this technology looks very ... See full document
12
AIRBORNE SAMPLES SOLID PHASE EXTRACTION pdf
... gas phase organic materials consists of the use of a R lter to remove particulate material, followed by a sorbent bed to collect the gas phase organic ...gas phase organic material is ... See full document
12
Multiresidue Method for Determination of 67 Pesticides in Water Samples Using Solid Phase Extraction with Centrifugation and Gas Chromatography Mass Spectrometry
... tridges and recoveries of most of analytes improved with drying time to 60 min. Even small amounts of residual water can apparently affect the elution of most of ana- lytes adsorbed on SPE sorbent. When comparing ... See full document
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