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Spectrophotometric Determination of Raloxifene Hydrochloride in Pharmaceutical Formulations
Published 2007-01-01“…Method A is based on the formation of yellow colored chromogen with 0.1N Sodium hydroxide exhibiting maximum absorbance against the corresponding reagent blank. The method B is based on the reaction of Raloxifene with Ferric chloride and 1, 10-phenanthroline to form blood red colored chromogen. …”
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62
Dual-Wavelength Spectral Correction Method for Simultaneous Determination of V(IV) and V(V)
Published 2011-01-01“…Using β-correction technique true absorbance of chelate produced can be calculated because the quantity of absorbance, which has related to the fraction of reagent that reacted with metal ion and has been subtracted when reagent applied as reference by this correction has compensated. …”
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63
Comparative Analysis of the Content of Sum of Hydroxycinnamic Acids from Leaves of Actinidia arguta Lindl. Collected in Ukraine and China
Published 2023-01-01“…After histochemical reaction with the nitrite-molybdenum reagent, idioblast cells with НСАs in A. arguta leaves are stained on brick-red color. …”
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64
Exploration of Productivity, Chemical Composition, and Antioxidant Potential of Origanum vulgare L. Grown at Different Geographical Locations of Western Himalaya, India
Published 2021-01-01“…The total phenolic, flavonoid, and tannin content in the methanolic extracts of all the cultivations were estimated by using Folin–Ciocalteu reagent, aluminium chloride reagent, and Folin–Denis methods, respectively. …”
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65
The study and determination of causes of fracture of the shaft of the roll working the wire cassette unit
Published 2019-01-01“…The fracture surface has a fine-grained fracture (formed under conditions of small plastic deformation) and is characterized by the presence of shiny flat areas on the fracture surfaceThe study of the microstructure after etching in a reagent «Nital» and reagent Oberhoffer. The chemical composition of a fragment of the shaft meets the stated grade of steel. …”
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66
Comparison of the Detection Rate and Specificity of Irregular Red Blood Cell Antibodies Between First-Time Pregnant Women and Women With a History of Multiple Pregnancies Among 18,...
Published 2024-01-01“…Mur and Dia should be included in the antigenic profile of reagent RBCs that are used for performing antibody screens in the Chinese population.…”
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67
Expeditious, Mild and Solvent Free Synthesis of Bis(indolyl)methanes, Using a Mixture of Phosphorus Pentoxide in Methanesulphonic Acid
Published 2012-01-01“…Highly rapid and efficient synthesis of Bis(indolyl)methanes has been developed by using a mixture of phosphorus pentoxide in methanesulphonic acid (Eaton’s reagent) at ambient temperature under solvent free condition.…”
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68
Simultaneous Determination of Mineral Nutrients and Toxic Metals in M. stenopetala from Southern Ethiopia: A Comparative Study of Three Cultivating Areas Using MP-AES
Published 2024-01-01“…The method makes the digestion process more efficient by minimizing the reagent volume, reducing digestion temperature and time, and simplifying the overall procedure. …”
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69
Reduction of Carbonyl Compounds to Their Corresponding Alcohols by (Nicotine)(tetrahydroborato)zinc Complex as a New Stable and Efficient Reducing Agent
Published 2012-01-01“…(Nicotine)(tetrahydroborato)zinc complex, [Zn(BH4)2(nic)], as a stable yellow solid, was prepared quantitatively by complexation of an equimolar amounts of zinc tetrahydroborate and Nicotine at room temperature. This reagent can easily reduce variety of carbonyl compounds such as aldehydes, ketones, acyloins and α-diketones to their corresponding alcohols in good to excellent yields. …”
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70
CeCl3⋅7H2O/SiO2 as an Efficient and Recyclable Catalyst for the Synthesis of Dihydropyrano[3,2-b]chromenediones
Published 2013-01-01“…Dihydropyrano[3,2-b]chromenedione derivatives were synthesized in moderate-to-high yields in one-pot three-component reaction from the corresponding aromatic aldehydes, kojic acid, and dimedone, in the presence of catalytic amount of CeCl3⋅7H2O/SiO2 as a nontoxic, reusable, inexpensive, and easily available reagent, under solvent-free conditions.…”
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71
Microwave Promoted Regeneration of Carbonyl Compounds from Oximes Using N, N-Dichloro Poly(Styrene-co-divinylbenzene)Sulphonamide Resin
Published 2011-01-01“…An efficient, economically viable and operationally simple method was developed for deoximation of oximes (of ketones and aldehydes) to their corresponding carbonyl compounds using polymer beads of N, N-dichloro poly(styrene-co-divinylbenzene)sulphonamide resin. Polymeric reagent offered speedy conversion and substantial yields of products under mild condition and is recyclable. …”
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72
Cross-Disciplinary Application for Qualitative Magnesium Corrosion Assays
Published 2022-01-01“…We used the water-soluble tetrazolium-8 (WST-8) reagent to further complete the immersion experiment. …”
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73
Catalytic Behaviors of Expansible Graphite in the Synthesis of Butyl Acetate
Published 2012-01-01“…EG was prepared with KMnO4 as oxidant and H2SO4 as inserting reagent. Eexpanded volume,x-ray diffraction and energy dispersive analysis for EG were carried, and its catalytic activity was detected in the reaction of acetic acid with butanol. …”
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74
Amperometric Determination of Bismuth Using Gallacetophenone Phenylhydrazone with the Structural Elucidation of Complex
Published 2010-01-01“…Gallacetophenone phenylhydrazone (GPPH) has been used as an analytical reagent for amperometric determination of bismuth. …”
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75
H-Point Standard Addition Method for Simultaneous Determination of Eosin and Erytrosine
Published 2011-01-01“…The method is based on the complexation of food dyes eosin and erythrosine with Fe(III) complexing reagent at pH 5.5 and solubilizing complexes in triton x-100 micellar media. …”
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76
H-Point Standard Addition Method for Simultaneous Determination of Maneb and Zineb
Published 2009-01-01“…The H-point standard addition method (HPSAM) has been applied for simultaneous determination of maneb and zineb using 1-(2-pyridylazo)-2- naphthol (PAN) as a reagent. Both maneb and zineb form wine red colored complex with PAN at pH 9.2 which are soluble in Triton X-100. …”
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The investigation of the kinetics of hydrochemical oxidation of metal sulphides with the aim of determination of the optimal conditions for the selective extraction of molybdenum f...
Published 2005-01-01“…The influence of the molar concentration of reagent, pH of solution, temperature, disk rotation frequency, and duration of measurements on the specific rate of hydrochemical oxidation of sulpfides was determined. …”
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79
Direct immunofluorescence for the diagnosis of legionellosis
Published 1993-01-01“…Despite these stricter criteria and other measures to reduce the possibility of reagent contamination, there was no statistically significant difference in the sensitivity or specificity of the DFA in the two years for sputa, deep specimens or overall. …”
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80
Extraction of Flavonoids from Corn Silk and Biological Activities In Vitro
Published 2021-01-01“…In this paper, extraction methods commonly used for extracting flavonoids from corn silk were reviewed, such as reagent method, enzymatic method, microwave, supercritical CO2 extraction, ultrasonic, and microwave-assisted ultrasonic. …”
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