✦ LIBER ✦

Combination of solid-phase extraction and field-amplified concentration for trace analysis of organonitrogen pesticides by micellar electrokinetic chromatography

✍ Scribed by Yan He; Dr. Hian K. Lee

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 539 KB
Volume: 18
Category: Article
ISSN: 0173-0835
DOI: 10.1002/elps.1150181126

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Multi-residue analysis of N-methylcarbam

Multi-residue analysis of N-methylcarbamate pesticides and their hydrolytic metabolites in environmental waters by use of solid-phase extraction and micellar electrokinetic chromatography

✍ Manuel Molina; Dolores Pérez-Bendito; Manuel Silva 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 253 KB 👁 2 views

Multi-residue analysis of N-methylcarbamate pesticides and their hydrolytic metabolites in environmental waters by use of solid-phase extraction and micellar electrokinetic chromatography A method for the simultaneous separation and determination of N-methylcarbamate pesticides and their hydrolytic

Online concentration by field-amplified

Online concentration by field-amplified sample injection in acidic buffer for analysis of fangchinoline and tetrandrine in herbal medicine by flow injection-micellar electrokinetic capillary chromatography

✍ Lihong Liu; Xingguo Chen; Zhide Hu 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 398 KB 👁 2 views

Combination of solid-phase extraction an

Combination of solid-phase extraction and large-volume stacking with polarity switching in micellar electrokinetic capillary chromatography for the determination of traces of nonsteroidal anti-inflammatory drugs in saliva

✍ Sara Almeda; Lourdes Arce; Miguel Valcárcel 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 326 KB 👁 2 views

Combination of solid-phase extraction-ho

Combination of solid-phase extraction-hollow fiber for ultra-preconcentration of some triazole pesticides followed by gas chromatography-flame ionization detection

✍ Mir Ali Farajzadeh; Leila Khoshmaram; Mohammad Reza Afshar Mogaddam 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 221 KB

## Abstract In this study, an extraction and preconcentration technique using solid‐phase extraction (SPE) along with hollow fiber (HF) has been developed as an ultra‐preconcentration technique for some triazole pesticides in aqueous samples. Triazole pesticides were employed as model compounds to

Combination of cationic surfactant-assis

Combination of cationic surfactant-assisted solid-phase extraction with field-amplified sample stacking for highly sensitive analysis of chlorinated acid herbicides by capillary zone electrophoresis

✍ Yan Xu; Weidong Qin; Yen H. Lau; Sam F. Y. Li 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 564 KB

Solid-phase extraction-field-amplified s

Solid-phase extraction-field-amplified sample injection coupled with CE-ESI-MS for online pre-concentration and quantitative analysis of brain-gut peptides

✍ Hongzhi Ye; Shifei Xia; Lishuang Yu; Xueqin Xu; Chunsong Zheng; Huifeng Xu; Lili 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 English ⚖ 174 KB

## Abstract In order to improve the sensitivity of CE‐ESI‐MS for the analysis of brain‐gut peptides, a solid‐phase extraction combined with field‐amplified sample injection was used for the pre‐concentration of the brain‐gut peptides. Compared with the conventional pressure injection method, the se