Effective indirect enrichment and determination of nitrite ion in water and biological samples using ionic liquid-dispersive liquid-liquid microextraction combined with high-performance liquid chromatography

Journal of Chromatography A

Volumn 1218, Issue 23, 2011, Pages 3595-3600

  He, Lijun ^a   Zhang, Kaige ^a   Wang, Caijuan ^a,b   Luo, Xianli ^a   Zhang, Shusheng ^b  

^a HENAN UNIVERSITY OF TECHNOLOGY   (China)

^b ZHENGZHOU UNIVERSITY   (China)

Author keywords

1 Octyl 3 methylimidazolium bis (trifluoromethyl)sulfonyl imide ionic liquid; Dispersive liquid liquid microextraction; High performance liquid chromatography; Nitrite ion

Indexed keywords

1-OCTYL-3-METHYLIMIDAZOLIUM BIS[(TRIFLUOROMETHYL)SULFONYL]IMIDE IONIC LIQUID; ACID MEDIA; BIOLOGICAL SAMPLES; DISPERSIVE LIQUID-LIQUID MICROEXTRACTION; ENRICHMENT FACTORS; EXTRACTION CONDITIONS; EXTRACTION RECOVERY; GOOD CORRELATIONS; INTERFERENCE EFFECTS; LIMIT OF DETECTION; LIQUID-LIQUID MICROEXTRACTION; NITRITE ION; OPTIMAL CONDITIONS; P-NITROANILINE; REACTION SOLVENTS; REACTION TIME; RELATIVE STANDARD DEVIATIONS; REPLICATE MEASUREMENTS; TRIFLUOROMETHYL;

ANILINE; CENTRIFUGATION; CHROMATOGRAPHY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; IONIC LIQUIDS; IONS; OPTIMIZATION; SOLVENTS;

SOLVENT EXTRACTION;

1 OCTYL 3 METHYLIMIDAZOLIUM BIS[(TRIFLUOROMETHYL)SULFONYL]IMIDE; 4 NITROANILINE; ANION; CATION; IMIDE; METHANOL; NITRATE; SODIUM CHLORIDE; UNCLASSIFIED DRUG;

ACCURACY; ANALYTIC METHOD; ARTICLE; CHEMICAL REACTION; CHEMICAL STRUCTURE; CONTROLLED STUDY; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; INTERMETHOD COMPARISON; IONIC LIQUID DISPERSIVE LIQUID LIQUID MICROEXTRACTION; LIMIT OF DETECTION; PRIORITY JOURNAL; PROCESS OPTIMIZATION; REACTION TIME; SYNTHESIS; TEMPERATURE; WATER ANALYSIS; WATER SAMPLING;

ADULT; CHEMICAL FRACTIONATION; CHROMATOGRAPHY, HIGH PRESSURE LIQUID; FEMALE; HUMANS; IONIC LIQUIDS; METHANOL; NITRITES; REPRODUCIBILITY OF RESULTS; RIVERS; SALIVA; SENSITIVITY AND SPECIFICITY; WATER; WATER POLLUTANTS, CHEMICAL; WATER SUPPLY;

EID: 79955948272     PISSN: 00219673     EISSN: 18733778     Source Type: Journal    
DOI: 10.1016/j.chroma.2011.04.014     Document Type: Article

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