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chemistry, analytical (228) 228
extraction (120) 120
index medicus (116) 116
analysis (88) 88
gas-chromatography (82) 82
chromatography (78) 78
preconcentration (72) 72
water samples (70) 70
solid-phase extraction (63) 63
analytical chemistry (60) 60
biochemical research methods (57) 57
high performance liquid chromatography (57) 57
engineering, chemical (56) 56
solvents (56) 56
chemistry, multidisciplinary (55) 55
polycyclic aromatic-hydrocarbons (52) 52
urine (49) 49
chemistry (46) 46
nanoparticles (44) 44
gas chromatography (43) 43
water (43) 43
humans (42) 42
mass-spectrometry (42) 42
solid-phase microextraction (42) 42
optimization (41) 41
separation (41) 41
adsorption (39) 39
sample preparation (39) 39
performance liquid-chromatography (38) 38
drugs (36) 36
hydrogen-ion concentration (36) 36
microextraction (36) 36
biological-fluids (35) 35
liquid chromatography (35) 35
reproducibility of results (32) 32
atomic-absorption-spectrometry (31) 31
capillary-electrophoresis (31) 31
chemistry, physical (31) 31
micro-extraction (30) 30
linearity (29) 29
liquid-liquid microextraction (29) 29
fibers (28) 28
food science & technology (28) 28
mass spectrometry (28) 28
mikroextraktion (28) 28
chromatography-mass spectrometry (27) 27
surface active agents (27) 27
basic drugs (26) 26
chromatography, high pressure liquid (26) 26
human plasma (26) 26
liquid-phase microextraction (26) 26
methods (26) 26
nachweisgrenze (25) 25
samples (25) 25
solubility (25) 25
chromatography, high pressure liquid - methods (24) 24
electromembrane extraction (24) 24
pesticides (24) 24
dispersive liquid-liquid microextraction (23) 23
phase microextraction (23) 23
tandem mass-spectrometry (23) 23
detection-limit (22) 22
environmental sciences (22) 22
fluids (22) 22
high-performance liquid chromatography (22) 22
water pollutants, chemical - analysis (22) 22
acid (21) 21
limit of detection (21) 21
water - chemistry (21) 21
aufkonzentrierung (20) 20
calibration (20) 20
chemical fractionation - methods (20) 20
membranes, artificial (20) 20
solvent microextraction (20) 20
temperature (20) 20
trace amounts (20) 20
characterization and evaluation of materials (19) 19
extraction processes (19) 19
hochleistungsflüssigkeitschromatographie (19) 19
liquid phase microextraction - methods (19) 19
single-drop microextraction (19) 19
solvents - chemistry (19) 19
spectroscopy (19) 19
supercritical carbon dioxide (19) 19
cloud point extraction (18) 18
mathematical models (18) 18
plasma (18) 18
spectrometry (18) 18
electrodes (17) 17
liquid-liquid extraction (17) 17
metal-ions (17) 17
microengineering (17) 17
nanochemistry (17) 17
nanotechnology (17) 17
removal (17) 17
carbon dioxide (16) 16
copper (16) 16
electrokinetic migration (16) 16
fiber (16) 16
high-performance-liquid-chromatography (16) 16
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Journal of Chromatography A, ISSN 0021-9673, 06/2018, Volume 1554, pp. 8 - 15
•Nano-adsorbent MWCNT/ZrO2 was used as HF-SPME coating.•MWCNT/ZrO2 has good mechanical, chemical, stability and high extraction capacity.•The method was used... 
Hollow fiber solid-phase microextraction | Nanocomposite | Zirconium oxide | Polycyclic aromatic hydrocarbons | Multiwall carbon nanotube | Coffee and tea | Zirconium | Coffee | Analysis | Nanotubes | Index Medicus
Journal Article
Journal of Chromatography A, ISSN 0021-9673, 04/2016, Volume 1443, pp. 75 - 82
•Electromembrane surrounded SPME using conductive polymers is carried out.•The polypyrrole coating was prepared and utilized as both cathode and SPME... 
Solid phase microextraction | Urine | Whole blood | Electromembrane extraction | Gas chromatography | Antidepressants | Analysis | Sorbents | Mathematical models | Extraction | Polypyrroles | Cleaning | Fibers | Solid phases
Journal Article
药物分析学报:英文版, ISSN 2095-1779, 2014, Volume 4, Issue 4, pp. 279 - 285
A simple, rapid and sensitive method termed as magnetic solid phase extraction (MSPE) combined with high-performance liquid chromatography-ultraviolet detector... 
测定 | 提取效率 | 高效液相色谱法 | 固相萃取 | 生物体液 | HPLC-UV | 氯丙嗪 | 紫外检测器 | Magnetic solid phase extraction | Chlorpromazine | Mixed-hemimicelles | Original
Journal Article