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2--5- (34) 34
chemistry, analytical (28) 28
cobalt (12) 12
spectrophotometry (11) 11
copper (9) 9
nickel (9) 9
iron (8) 8
hplc (7) 7
preconcentration (6) 6
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high-performance liquid chromatography (5) 5
index medicus (5) 5
separation (5) 5
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humans (4) 4
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niobium (4) 4
palladium (4) 4
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アミノ (4) 4
ピリジル (4) 4
ピリジルアゾ (4) 4
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2--5-[n-propyl-n- (3) 3
aluminium-based alloy (3) 3
aqueous ozone (3) 3
atomic absorption spectrometry (3) 3
chromatography (3) 3
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extraction/specrometry of vanadium (3) 3
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liquid chromatography (3) 3
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n (3) 3
n-benzoyl-n-phenylhydroxylamine (3) 3
nachweisgrenze (3) 3
platinum (3) 3
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spectrometry (3) 3
spectrophotometric determination of ozone (3) 3
spectrophotometric determination of trace amounts of nickel (3) 3
tap water (3) 3
tin (3) 3
vanadium (3) 3
water (3) 3
water samples (3) 3
zinc (3) 3
アニリン (3) 3
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光度定量 (3) 3
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2- -5- (2) 2
2--5-[n-n-propyl-n- (2) 2
2--5-di-ethylaminophenol (2) 2
2--5-diethylamino phenol (2) 2
2--5-diethylamino-phenol (2) 2
4-resorcinol (2) 2
acid (2) 2
analysis (2) 2
aniline (2) 2
atomabsorptionsspektrometrie (2) 2
atomic absorption analysis (2) 2
back-extraction (2) 2
biochemistry & molecular biology (2) 2
biochemistry, general (2) 2
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biotechnology (2) 2
bonded silica gel (2) 2
c-18-bonded silica gel (2) 2
cadmium (2) 2
carbonate (2) 2
certified reference material (2) 2
chemistry, multidisciplinary (2) 2
cloud point extraction (2) 2
cobalt determination (2) 2
column chelation (2) 2
complex-formation (2) 2
concentration (2) 2
coprecipitation (2) 2
determination (2) 2
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engineering, chemical (2) 2
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Environmental Science and Pollution Research, ISSN 0944-1344, 3/2018, Volume 25, Issue 9, pp. 8340 - 8349
Journal Article
ANALYST, ISSN 0003-2654, 08/1994, Volume 119, Issue 8, pp. 1787 - 1792
Capillary electrophoresis of 22 metal ions was examined with a visible light-absorbing chelating agent,... 
CHEMISTRY, ANALYTICAL | 2-(5-BROMO-2-PYRIDYLAZO)-5-(N-PROPYL-N-SULFOPROPYLAMINO) PHENOL | METAL ION | NICKEL SALT | COMPLEXES | CAPILLARY ZONE ELECTROPHORESIS | COBALT DETERMINATION | CHROMATOGRAPHY
Journal Article
ANALYTICAL SCIENCES, ISSN 0910-6340, 04/1998, Volume 14, Issue 2, pp. 317 - 320
A simple and reliable concentration method of trace metals in aqueous solution is proposed. 2-(5-Bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol is... 
ENVIRONMENTAL-ANALYSIS | CHEMISTRY, ANALYTICAL | trace metals | C-18-bonded silica gel | ATOMIC SPECTROMETRY UPDATE | SORPTION | concentration | 2-(5-bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol | sodium salt reagent
Journal Article
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, ISSN 0021-1575, 10/2004, Volume 90, Issue 10, pp. 795 - 800
A novel method for the determination of trace amounts of Tin in iron and steel has been demonstrated by a reversed-phase HPLC using... 
PRECONCENTRATION | iron and steel | METALLURGY & METALLURGICAL ENGINEERING | COLUMN | SPECTROPHOTOMETRIC DETERMINATION | CHELATE | BACK-EXTRACTION | VANADIUM | Tin | 2-(5-bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol | TRAMP ELEMENTS | HPLC | SPECTROMETRY | WATER
Journal Article
Analytical Sciences, ISSN 0910-6340, 1998, Volume 14, Issue 2, pp. 317 - 320
A simple and reliable concentration method of trace metals in aqueous solution is proposed. 2-(5-Bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol is... 
2-(5-bromo-2-pyridylazo)-5-(N-propyl-N-sulfopropylamino)phenol | Concentration | Sodium salt reagent | bonded silica gel | Trace metals
Journal Article
Talanta, ISSN 0039-9140, 2006, Volume 68, Issue 3, pp. 527 - 534
A sequential injection (SI) method in a lab-on-valve (LOV) format for simultaneous spectrophotometric determination of copper and iron has been devised. The... 
Sequential injection | Iron | Copper | Simultaneous trace determination | SYSTEM | CHEMISTRY, ANALYTICAL | simultaneous trace determination | SERUM | FLOWING-STREAM TECHNIQUES | SAMPLE | sequential injection | EXTRACTION | METALS | copper | iron | WATER ANALYSIS | 2-(5-BROMO-2-PYRIDYLAZO)-5-(N-PROPYL-N-SULFOPROPYLAMINO)ANILINE | Copper compounds | Universities and colleges | Aniline
Journal Article
Analytical Letters, ISSN 0003-2719, 05/2020, pp. 1 - 9
Journal Article
Talanta, ISSN 0039-9140, 05/2004, Volume 63, Issue 2, pp. 233 - 237
A method for the simultaneous determination of Nb and Ta in steel and alloy by reversed-phase high-performance liquid chromatography (RP-HPLC) was proposed.... 
Tantalum | Reversed-phase high-performance liquid chromatography | 2-(5-Bromo-2-pyridylazo)-5-diethylamino phenol | Steel | Niobium | Phenols | Liquid chromatography | Cast-iron | Tartaric acid | Analysis
Journal Article
Procedia Environmental Sciences, ISSN 1878-0296, 2013, Volume 18, pp. 258 - 263
A new cloud point extraction procedure was established for the simultaneous preconcentration and determination of cobalt(II), nickel(II), and copper(II) ions... 
Cloud point extraction | Nickel | Triton X-114 | Copper | Cobalt | 2-(5-bromo-2-pyridylazo)-5-(diethylamino) pheno
Journal Article
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