Showing 7,021 - 7,040 results of 7,816 for search '"column"', query time: 0.06s Refine Results
  1. 7021

    Formulation and Development of a Water-in-Oil Emulsion-Based Luliconazole Cream: In Vitro Characterization and Analytical Method Validation by RP-HPLC by Vijay Kumar Panthi, Utsav Nepal

    Published 2022-01-01
    “…In this study, an analytical C18 (4.6 mm × 25 cm), 5 μm column was used for chromatographic separation with a mixture of acetonitrile and water in the proportion of 50 : 50 v/v as the mobile phase at a flow rate of 1.0 mL/min. …”
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  2. 7022
  3. 7023

    Experimental Observations of Heat-Assisted Boycott Effect in Trapezoidal Enclosures by Fernando Apaz, Christian F. Ihle

    Published 2024-12-01
    “…A further analysis of the column and row data reveals stratification patterns influenced by heat injection, characterized by distinct horizontal and vertical layers. …”
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  4. 7024
  5. 7025

    A green approach to the analysis of co-administered ampicillin/sulbactam and paracetamol in human urine by SELIM BASMA M., ABDELSALAM RANDA A., EL-GINDY ALAA, EID BASMA G., NEAMATALLAH THIKRYAT, KHAYYAT AHDAB N., HADAD GHADA M., ELKHOUDARY MAHMOUD M.

    Published 2022-06-01
    “…The novelty of this work is the simultaneous analysis of sulbactam (SUL), ampicillin (AMP), and paracetamol (PARA) in human urine samples, using the environmentally benign RP-HPLC method. A C18 column was used in chromatographic separation using potassium dihydrogen phosphate (10 mmol L–1, pH 5)/ethanol (90 %, V/V) as the mobile phase; flow rate was 1.00 mL min–1. …”
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    Article
  6. 7026
  7. 7027

    Determination of Residual Nonsteroidal Anti-Inflammatory Drugs in Aqueous Sample Using Magnetic Nanoparticles Modified with Cetyltrimethylammonium Bromide by High Performance Liqui... by Malihe Khoeini Sharifabadi, Mohammad Saber-Tehrani, Syed Waqif Husain, Ali Mehdinia, Parviz Aberoomand-Azar

    Published 2014-01-01
    “…Methanol has been used as desorption solvent and the extracts were analysed on a reversed-phase octadecyl silica column using 0.02 M phosphate-buffer (pH = 6.02) acetonitrile (65 : 35 v/v) as the mobile phase and the effluents were measured at 202 nm with ultraviolet detector. …”
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    Article
  8. 7028
  9. 7029

    Fractionation of Buckwheat Seed Phenolics and Analysis of Their Antioxidant Activity by Karamać Magdalena, Biskup Izabela, Kulczyk Anna

    Published 2015-12-01
    “…Five fractions of phenolic compounds were obtained from the extract of common buckwheat seed (Fagopyrum esculentum Moench) using Sephadex LH-20 column chromatography with methanol as a mobile phase. …”
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    Article
  10. 7030

    Predicted Infiltration for Sodic/Saline Soils from Reclaimed Coastal Areas: Sensitivity to Model Parameters by Dongdong Liu, Dongli She, Shuang’en Yu, Guangcheng Shao, Dan Chen

    Published 2014-01-01
    “…Data was collected from column experiments in which two soils from a Chinese coastal area reclaimed in 2007 (Soil A, saline) and 1960 (Soil B, nonsaline) were used, with bulk densities of 1.4 or 1.5 g/cm3. …”
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    Article
  11. 7031
  12. 7032

    Assessing the Effects of a Minor CIR‐HSS Geomagnetic Storm on the Brazilian Low‐Latitude Ionosphere: Ground and Space‐Based Observations by F. S. Chingarandi, C. M. N. Candido, F. Becker‐Guedes, O. F. Jonah, S. P. Moraes‐Santos, V. Klausner, O. O. Taiwo

    Published 2023-09-01
    “…Fluctuations in the interplanetary magnetic field Bz and changes in the thermospheric column density ratio (∑O/N2) are discussed as the main sources of ionospheric changes during the storm. …”
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    Article
  13. 7033
  14. 7034
  15. 7035

    Phyllosilicate-based adsorbents decorated with iron oxyhydroxides: Application for lead, chromates and selenites removal by Bugarčić Mladen, Veličković Zlate, Radovanović Željko, Milošević Milena, Mijatov Slavko, Stojanović Jovica, Marinković Aleksandar

    Published 2024-01-01
    “…Adsorption experiments conducted in a batch and column system demonstrated good potential for purification of water contaminated with Pb2+, Cr(VI), and Se(IV). …”
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  16. 7036
  17. 7037

    Simultaneous Determination of Benzene and Toluene in Pesticide Emulsifiable Concentrate by Headspace GC-MS by Lidong Cao, Hua Jiang, Jing Yang, Li Fan, Fengmin Li, Qiliang Huang

    Published 2013-01-01
    “…A nonpolar fused silica Rtx-5 capillary column (30 m×0.20 mm i.d. and 0.25 μm film thickness) with temperature programming was used. …”
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  18. 7038

    UHPLC-UV method validation for simultaneous quantification of vitexin and isovitexin from Santalum album L. leaves by Thi Kim Phung Phan, Minh Quan Le, Kien Duc Ngo

    Published 2024-06-01
    “…The quantification procedure was performed on a Hypersil GOLD aQ Column (3 μm; 150 × 2.1 mm) at 35°C, with a mobile phase of acetonitrile (A) and and water with 0.1% formic acid (B), a flow rate of 0.3 mL/min, a detection wavelength of 336 nm, and an injection volume of 3 µL. …”
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    Article
  19. 7039
  20. 7040

    Simultaneous Determination of 78 Compounds of Rhodiola rosea Extract by Supercritical CO2-Extraction and HPLC-ESI-MS/MS Spectrometry by Alexander M. Zakharenko, Mayya P. Razgonova, Konstantin S. Pikula, Kirill S. Golokhvast

    Published 2021-01-01
    “…The extracts were analyzed by HPLC with MS/MS identification. 78 target analytes were isolated from Rhodiola rosea (Russia) using a series of column chromatography and mass spectrometry experiments. …”
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