simultaneous determination of acetaminophen and codeine in tablets by hollow fiber solid-phase microextraction combined with hplc-dad
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Microextraction and Determination of Diclofenac in Biological Samples using Hollow Fiber Liquid Phase Microextraction Technique Coupled with HPLC-UV
In this study, hollow fiber liquid phase microextraction (HF-LPME) coupled with highperformanceliquid chromatography (HPLC) with UV detection was applied for preconcentrationand determination of Diclofenac sodium in biological fluids. Parameters affecting the extractionprocess including pH of donor phase and acceptor phase, type of extraction solvent, stirring rate,extraction time, and salt add...
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hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...
HCl- Etched Steel Fiber for Determination of Phthalates in Water Samples by Solid-Phase Microextraction
In the present work, a stainless steel wire was etched by hydrochloric acid during a chemical etching process. The obtained black layer on the surface of the fiber was used as sorbent for extraction of trace amount of phthalates in the aqueous samples by solid phase microextraction. New fiber efficiency was investigated using a home-made solid-phase microextraction (SPME) device and gas chr...
متن کاملEnrichment and determination of trace estradiol in environmental water samples by hollow-fiber liquid-phase microextraction prior to HPLC.
This paper presents a novel and simple cleanup procedure based on hollow fiber liquid-phase microextraction (HF-LPME) for the determination of trace estradiol in environmental. Estradiol was extracted from a 140-mL water sample (the donor phase) into the pores of the hollow fiber wall organic solvent, then into the organic solvent (the acceptor phase) in the lumen of the hollow fiber. Afterward...
متن کاملSimultaneous determination of blockers and agonists by on-fiber derivatization in self-made solid-phase microextraction coating fiber.
An environmentally friendly and sensitive method for determination of blockers and agonists was described in this paper. The method is based on a homemade sol-gel solid-phase microextraction (SPME) coating with simultaneous on-fiber derivatization and subsequent gas chromatography mass spectrometry (GC/MS) analysis. The influences of the main factors on the type and thickness of the homemade fi...
متن کاملSimultaneous determination of two biflavones in Biyanling Tablets by HPLC
Objective of the present study is to develop analytical methods for simultaneous determination of two major biflavones, amentoflavone and heveaflavone, in Biyanling Tablets, thereby providing methodological reference for quality control of anticancer drug Biyanling Tablets. Samples are chromatographed on Diamonsil C18 (4.6 mm × 250 mm, 5 μm) column with a mobile phase of acetonitrile (B)–0.5% a...
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عنوان ژورنال:
research in pharmaceutical sciencesجلد ۷، شماره ۵، صفحات ۰-۰
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