[PDF] Top 20 AIRBORNE SAMPLES SOLID PHASE EXTRACTION pdf
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AIRBORNE SAMPLES SOLID PHASE EXTRACTION pdf
... gas phase organic material in the denuder, negli- gible loss of particles to the denuder during sampling, and high capacity for the collection of gas phase organic ...gas phase organic com- pounds ... See full document
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Optimization of Low Amounts of Selenium Ions in Water and Blood Samples by Solid Phase Extraction Using Thiolated Nanosilica
... Selenium is a trace element essential for human health. Nowadays, selenium supplementation is approved as part of the public health policies in selenium-deficient regions (1, 2). Reduced selenium levels in the body ... See full document
6
Application of modified sawdust for solid phase extraction, preconcentration and determination of trace lead in water samples
... One novel technology which includes absorption of solvated particles from natural samples, is called adsorption. Low cost, short-time design and further usage capability are some of the features of the adsorption ... See full document
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← Return to Article Details PHARMACEUTICAL COMPOUNDS DETERMINATION IN WATER SAMPLES: COMPARISON BETWEEN SOLID PHASE EXTRACTION AND STIR BAR SORPTIVE EXTRACTION
... the solid phase extraction of the selected PPCPs from water samples studied variables correspond to sorbent ...polymeric phase was selected, as an alternative to the most common ... See full document
5
Solid-phase extraction derivative aromatic compounds in water samples and determination of using GC-FID
... To have a better overview on the efficiency of the CDS, a comparison study was carried out using carbon active. carbon active is a well-known and widely used commercial sorbent and the other two polymers are relatively ... See full document
7
Selective Preconcentration of Ultra Trace Amounts of Cobalt and Nickel on Octadecyl Bonded Silica Membrane Disk Modified with Thioridazine?Hcl and Determination by Inductively Coupled Plasma-Optical Emission Spectrometry
... environmental samples provided commercial laboratories with the needed incentive to enter into the business of trace metal ...liquid–liquid extraction and solid phase extraction. ... See full document
8
Determination of Lead and Cadmium in Various Food Samples by Solid Phase Extraction Using a Novel Amino-Vinyl Functionalized Iron Oxide Magnetic Nanoparticles
... It is known that pH value has a critical role on solid phase extraction of metal ions. In order to determine the optimal pH, the effect of pH on adsorption of lead and cadmium were studied over the ... See full document
11
Synthesis and applications of new cyanopropyl-triethoxy silane and cyanopropyltriethoxysilane nanomaterials as sorbents of selected organophosphorus analysis
... 2004). Solid-phase extraction (SPE) is a convenient sampling method compared to LLE because of its simplicity and economic benefits in terms of time and solvent needs (Cacho et ...different ... See full document
48
Micro-solid phase extraction methods based on molecularly imprinted polymer for determination of toluene metabolites in urine samples
... the extraction of biological fluids has always been challenging, frequently produced the emulsification of the solvents and destruction of sorbent ...Liquid-liquid extraction is a common method via a NIOSH ... See full document
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Molecularly imprinted polymer solid phase extraction for the analysis of organophosphorus pesticides in food samples
... Polymer Solid Phase Extraction”, paper presented at the The 23 rd Regional Malaysian Symposium of Analytical Sciences (SKAM-23), Permai Inn, Kuala ... See full document
32
Solid phase microextraction-gas chromatography for the analysis of explosives in post blast water samples
... stationary phase of CAR/PDMS fiber (75 µm) is a porous material (micro-, meso- and macro-pores from 6 to 50 Å) resulting from a mixture of PDMS and CAR fibers (Supelco ...the extraction efficiency of ... See full document
16
A solid-phase extraction method using Transcarpathian clinoptilolite for preconcentration of trace amounts of terbium in water samples
... the solid-phase extraction (SPE) has also become quite popular sample preparation procedure for trace analysis [5–9], allows to reduce solvent consumption due to a simplified pro- cedure of the ... See full document
7
Liquid Chromatographic Determination of Pioglitazone in Pharmaceuticals, Serum and Urine Samples
... serum samples, solid phase extraction technique is preferred on Liquid – Liquid extraction because the retention time for pioglitazone is very short ...Liquid extraction many ... See full document
6
A review of explosive residue detection from forensic chemistry perspective
... Solid phase extraction (SPE) is a popular method for removing impurities and pre-concentration of target analytes ...The samples (200 mL) were allowed to pass through the SPE cartridge at the ... See full document
16
Separation/Enrichment of Copper and Silver Using Titanium Dioxide Nanoparticles Coated with Poly Thiophene and Their Analysis by Flame Atomic Absorption Spectrophotometry
... in samples and high com- plexity of sample ...solvent extraction, coprecipitation, cloud point extraction, ion-exchange, solid phase extraction and electroanalytical techniques ... See full document
9
Preconcentration of Lead in Sugar Samples by Solid Phase Extraction and Its Determination by Flame Atomic Absorption Spectrometry
... proposed solid phase extraction to real samples, effects of some interfering ions which may enter sugar merchandise during the course of production such as arsenic, iron, magnesium, cobalt, ... See full document
6
Solid Phase Extraction of Ultra Trace Copper(II) Using Octadecyl Silica Membrane Disks Modified By (E)-N?-((1-Thiophen-2-Yl)Ethylidene)Benzene-1,2-Diamine Schiff?S Base
... Some preliminary experiments were performed for investigation of absence or presence of TEBD on the quantitative extraction of copper(II).It was concluded that the membrane disk itself does not show any tendency ... See full document
10
A modified method of separating Tl(I) and Tl(III) in aqueous samples using solid phase extraction
... natural samples containing Tl(III) it forms an anionic group with DTPA, which Tl(I) cannot ...real samples, generally Tl(I) is the domi- nant valence state, thus solutions containing 380 ng Tl(III) and ... See full document
7
Determination of cadmium in water and environmental samples by inductively coupled plasma atomic emission spectrometry after solid phase extraction using thiosemicarbazide derivative on alumina
... on solid phase extraction of trace Cd summarized in methods are described in the literatures (Table ...environmental samples, demonstrating that the method can be successfully applied to these ... See full document
9
Separation/preconcentration and speciation of very low amounts of selenium using modied agnetite nanoparticles before electrothermal atomic absorption spectrometric determination in water
... the samples can aid in improving the determination of Se(IV) and Se(VI) by ...liquid-liquid extraction [4], ion exchange [5], cloud point extrac- tion [6], coprecipitation [7] and Solid Phase ... See full document
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