X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
preconcentration (42) 42
atomic-absorption-spectrometry (38) 38
chemistry, analytical (33) 33
solid-phase extraction (27) 27
cadmium (25) 25
copper (25) 25
lead (19) 19
analysis (18) 18
cobalt (18) 18
online preconcentration (18) 18
separation (18) 18
cloud point extraction (16) 16
food science & technology (16) 16
nickel (15) 15
water samples (15) 15
amberlite xad-2 (13) 13
synthesis (13) 13
chelating resin (12) 12
environmental sciences (12) 12
faas (11) 11
index medicus (11) 11
polyurethane foam (11) 11
manganese (10) 10
water (10) 10
biological samples (9) 9
chemistry, multidisciplinary (9) 9
environment (9) 9
environmental-samples (9) 9
spectrophotometric determination (9) 9
spectrophotometry, atomic - methods (9) 9
analytical chemistry (8) 8
atmospheric protection/air quality control/air pollution (8) 8
enrichment (8) 8
food samples (8) 8
multivariate optimization (8) 8
optimization (8) 8
activated alumina (7) 7
chemistry (7) 7
extraction (7) 7
hydrogen-ion concentration (7) 7
lead determination (7) 7
trace amounts (7) 7
cadmium - analysis (6) 6
chemistry, applied (6) 6
dispersive liquid-liquid microextraction (6) 6
doehlert matrix (6) 6
emission-spectrometry (6) 6
engineering, chemical (6) 6
heavy-metals (6) 6
methods (6) 6
optical-emission-spectrometry (6) 6
seafood (6) 6
spectroscopy (6) 6
studies (6) 6
system (6) 6
trace-elements (6) 6
usage (6) 6
zinc (6) 6
climate change/climate change impacts (5) 5
cloud-point extraction (5) 5
environment, general (5) 5
floating organic drop (5) 5
food (5) 5
functionalization (5) 5
hydrogeology (5) 5
inorganic chemistry (5) 5
ionic liquid (5) 5
liquid-liquid microextraction (5) 5
me-btabr (5) 5
metal (5) 5
metal-ions (5) 5
meteorology & atmospheric sciences (5) 5
optical-emission spectrometry (5) 5
phase microextraction (5) 5
physical chemistry (5) 5
samples (5) 5
soil science & conservation (5) 5
solvents (5) 5
speciation (5) 5
water quality/water pollution (5) 5
water resources (5) 5
adsorption (4) 4
amberlite xad-4 (4) 4
calibration (4) 4
characterization and evaluation of materials (4) 4
environmental pollutants - analysis (4) 4
flow-injection (4) 4
food analysis - methods (4) 4
functionalized resin (4) 4
grafted polytetrafluoroethylene fiber (4) 4
ion-exchanger (4) 4
iron (4) 4
limit of detection (4) 4
mercury (4) 4
metal-ion enrichment (4) 4
metals (4) 4
monitoring/environmental analysis/environmental ecotoxicology (4) 4
natural-water samples (4) 4
natural-waters (4) 4
nickel - analysis (4) 4
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Microchemical Journal, ISSN 0026-265X, 06/2020, Volume 155, p. 104731
•Techniques for automation of continuous flow analysis systems.•Devices description highlighting their characteristics and applications.•Critical discussion of... 
Continuous flow analysis systems | Multicommutation | Automation | Autosamplers | Multi-pumping
Journal Article
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY, ISSN 0103-5053, 01/2020, Volume 31, Issue 1, pp. 15 - 24
In the present paper, an automated online preconcentration system based on the use of two knotted reactors (KR) was developed for Mn determination in tea... 
automated online system | MULTICOMMUTATION | multicomutation | COPPER | FLOW-ANALYSIS | manganese | CHEMISTRY, MULTIDISCIPLINARY | double-knotted reactor | CADMIUM | CLOUD POINT EXTRACTION | SPECIATION | OPTIMIZATION | Arduino | SOLID-PHASE EXTRACTION | TOOL
Journal Article
Journal of the Iranian Chemical Society, ISSN 1735-207X, 9/2019, Volume 16, Issue 9, pp. 1879 - 1889
This work is based on the application of the eggshell membrane (ESM) of fresh chicken as a sorbent in a solid phase extraction procedure for arsenic speciation... 
Biochemistry, general | Solid phase extraction | Chemistry | Analytical Chemistry | Arsenic | Physical Chemistry | Inorganic Chemistry | Chicken eggshell membrane | Speciation | Organic Chemistry | PRECONCENTRATION | TRACE | EGG-SHELL MEMBRANE | BEHAVIOR | CHICKEN EGGSHELL | ADSORPTION | CHEMISTRY, MULTIDISCIPLINARY | REMOVAL | SEPARATION | SPECTROMETRY | SOLID-PHASE EXTRACTION
Journal Article
Microchemical Journal, ISSN 0026-265X, 12/2018, Volume 143, pp. 175 - 180
In this paper, an on-line preconcentration system has been proposed for speciation analysis of inorganic arsenic in seawater. It is based on the selective... 
Inorganic speciation | HG-FAAS | Multivariate optimization | Arsenic | Seawater | HEALTH-RISK | CHEMISTRY, ANALYTICAL | FLUORESCENCE SPECTROMETRY | MASS-SPECTROMETRY | SELENIUM | MICROEXTRACTION | OPTICAL-EMISSION-SPECTROMETRY | ENVIRONMENTAL WATER SAMPLES | CENTRAL COMPOSITE DESIGN | CLOUD-POINT EXTRACTION | Hydrochloric acid | Sea-water
Journal Article
Environmental monitoring and assessment, 08/2017, Volume 189, Issue 9, p. 444
Liquid phase microextraction (LPME) has been widely used in extraction and preconcentration systems as an excellent alternative to conventional liquid phase... 
Liquid Phase Microextraction - methods | Environmental Monitoring - methods | Cadmium - analysis | Environment | Environmental Pollutants - analysis
Journal Article
06/2017
processo de monitoramento de elementos formadores de substâncias voláteis por injeção simultânea utilizando gerador de baixo custo e gerador a presente patente... 
TESTING | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES | MEASURING | PHYSICS
Patent