[PDF] Top 20 Determination of transition metals by high performance liquid chromatography

... The chromatographic method developed is capable of qualitative as well as quantitative determinations of samples of aqueous solutions containing copper and cobalt. However the time taken to elute the ions is still too ... See full document

... of high-performance liquid chromatography (HPLC) allows to separate the phenolic compounds and the products of their degradation - aromatic aldehydes and acids extracted by wine distillate ... See full document

... research, high performance liquid chromatography (HPLC) as a simple and rapid technique was used for the determination of potassium sorbate and sodium benzoate in different brands of ... See full document

... Dispersive liquid-liquid microextraction (DLLME) coupled with high-performance liquid chromatography (HPLC) – UV detection was applied for the extraction and determination ... See full document

... detect high-level background noise if the derivatization was not ...dispersive liquid-liquid microextraction (UA-DLIME) [16] [17] [18] [20] [39] were performed before or after ... See full document

... Rice grains are among the major components of the daily human diet. The production and consumption of cereal grains including rice is very high worldwide, especially in Asia. Brown rice is a functional food ... See full document

... All the validation steps were conducted in accordance to the FDA guide line (FDA 2001). The method was validated to demonstrate the specificity, selectivity linearity, matrix effect, accuracy, limit of quantification, ... See full document

... The accuracy of the method is observed with high percentage recovery. The use of buffer and acetonitrile (82:18%, v/v) gave peak with good resolution. The robustness studies indicated that there was no effect on ... See full document

... portant to control the amount of artificial sweeteners added in food by regulating their concentration in food and beverages through legislation in order to prevent excessive intake. Sensitive, reliable and robust ... See full document

... The System suitability test represents as an integral part of the method and used to ensure adequate performance of the chromatographic system. To check the system suitability, system suitability solution was ... See full document

... Although the existence of numerous studies that devel- oped and validated determination methods for those drugs, there is not one that is capable to determine both of them in a single run. Thus, this study main ... See full document

... the high volumes of acetone ( over 600 µl), solubility of platinum complex in water increases, therefore , the extraction efficiency decreased because of distribution coefficient ... See full document

... the determination of ENM in pure forms and in pharmaceutical preparations including spectrophotometry [3-5], spectrofluorimetry [6], capillary electrophoresis [7] and High Performance Liquid ... See full document

... indicating high performance liquid chromatography (HPLC) method was developed and validated for the simultaneous determination of Imipramine hydrochloride and Diazepam in pharmaceutical ... See full document

... using high performance liquid chromatography HPLC for determination of Methylparaben & Propylparaben and applying this method to analyze samples of topical creams locally produced ... See full document

... the determination of salicylate is based on Trinder reaction, in which the salicylate ion reacts with ferric ion to form a coloured complex in an acidic ...as high performance liquid ... See full document

... ûber liquid-phase microextraction (HF- LPME) method combined with high-performance liquid chromatography (HPLC) with ultraviolet (UV) detection was presented to detection and ... See full document

... The Eugenia dysenterica DC., popularly known as cagaita, is a fruit tree belonging to Myrtaceae family, native to the Brazilian Cerrado. In general, its leaves are used as antidiarrheal as its fruits have laxative ... See full document

... by high-performance liquid chromatography (HPLC) with photodiode array (PDA) detection was implemented for the simultaneous determination of Hydrochlorothiazide and Triamterene in ... See full document

... phase high -performance liquid chromatography method for the quantitative determination of Levocetirizine Dihydrochloride (LCD) in human plasma and pharmaceutical dosage ...optimized ... See full document