نمایش نتایج جستجو برای
کلمات کلیدی: preconcentration
موارد یافت شده: 11
1 - Magnetic nanoparticles modified with polyfuran for the extraction of polycyclic aromatic hydrocarbons prior to their determination by gas chromatography (چکیده)2 - Preconcentration of morphine in urine sample using a green and solvent-free microextraction method (چکیده)
3 - Dispersive solid phase extraction and preconcentration of Reactive blue194 using magnetic carbon nanotube and utilization of smart Mobile Phone for colorimetric analysis (چکیده)
4 - Developing a new sensitive solid-phase microextraction fiber based on carbon nanotubes for preconcentration of morphine (چکیده)
5 - Ultra-Trace Determination of Co (ІІ) in Real Samples Using Ion Pair-Based Dispersive Liquid-Liquid Microextraction Followed by Electrothermal Atomic Absorption Spectrometry (چکیده)
6 - Preconcentration of trace amount of cadmium using silica nanoparticles coated with sodium dodecyl sulfate and its determination by flame atomic absorption spectrometry (چکیده)
7 - Multiwalled carbon nanotubes/polypyrrole/SiO2 composite prepared by electrodeposition technique as a new solid phase microextraction sorbent for preconcentrationon of BTEX (چکیده)
8 - Vortex-assisted ionic liquid microextraction coupled to flame atomic absorption spectrometry for determination of trace levels of cadmium in real samples (چکیده)
9 - Natural analcime zeolite modified with 2,3,5,6-tetra(2-pyridyl)pyrazine for preconcentration and determination of trace amounts of cadmium by flame atomic absorption spectrometry (چکیده)
10 - Synthesis, characterization of silica gel phases chemically immobilized 2-aminothiophenole and use of it for preconcentration and determination of trace amount of cadmium and batch studies by flame atomic absorption spectrometry (چکیده)
11 - DETERMINATION OF TRACE AMOUNTS OF ZINC BY FLAME ATOMIC ABSORPTION SPECTROMETRY AFTER SEPARATION AND PRECONCENTRATION ONTO MODIFIED NATURAL ANALCIME ZEOLITE LOADED 2,3,5,6-TETRA(2-PYRIDYL)PYRAZINE (چکیده)
