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UV-Vis Spectrophotometry

Ultra-Trace Determination of Silver in Water, Soil and Radiology Film Samples Using Dispersive Liquid-Liquid Microextraction and Microvolume UV–Vis Spectrophotometry

Ultra-Trace Determination of Silver in Water, Soil and Radiology Film Samples Using Dispersive Liquid-Liquid Microextraction and Microvolume UV–Vis Spectrophotometry

... ABSTRACT: In this research, a Dispersive Liquid-Liquid MicroExtraction (DLLME) method coupled to UV-vis spectrophotometry was developed for the indirect determination of silver ion. The method is ...

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Extraction and determination of codeine phosphate in water samples by dispersive liquid liquid microextraction coupled to UV vis spectrophotometry

Extraction and determination of codeine phosphate in water samples by dispersive liquid liquid microextraction coupled to UV vis spectrophotometry

... but uv-vis spectrophotometry for its availability, simplicity, versatility, speed, accuracy, precision and cost- effectiveness is used in analytical chemistry especially for quantitative ...

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2) The –NO2 vibrational spectra of metronidazole for analytical method development using Fourier Transform Infrared compared to the UV-VIS spectrophotometry

2) The –NO2 vibrational spectra of metronidazole for analytical method development using Fourier Transform Infrared compared to the UV-VIS spectrophotometry

... and UV-Vis spectrophotometry compared based on their effectiveness, it can be concluded that the FTIR method was more effective than UV-Vis spectrophotometry ...the ...

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DESIGN, DEVELOPMENT AND VALIDATION OF ANALYTICAL METHOD FOR AMLODIPINE-COPPER COMPLEX  USING UV VIS SPECTROPHOTOMETRY

DESIGN, DEVELOPMENT AND VALIDATION OF ANALYTICAL METHOD FOR AMLODIPINE-COPPER COMPLEX USING UV VIS SPECTROPHOTOMETRY

... a calcium channel blocker used for treatment of hyperten- sion and angina pectoris; it is a very potent drug and is marketed as the benzene sulfonic acid salt commonly known as besylate. It is a 1, 4-Dihydropyridine ...

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SPECTROPHOTOMETRIC DETERMINATION OF PARACETAMOL AND DICLOFENAC IN COMBINED DOSAGE FORM BY SIMULTANEOUS EQUATION METHOD USING UV–VIS SPECTROPHOTOMETRY

SPECTROPHOTOMETRIC DETERMINATION OF PARACETAMOL AND DICLOFENAC IN COMBINED DOSAGE FORM BY SIMULTANEOUS EQUATION METHOD USING UV–VIS SPECTROPHOTOMETRY

... A simple spectrophotometric method is developed for simultaneous estimation of paracetamol and diclofenac in bulk and pharmaceutical dosage form. Thepresent study was employed to determine the % purity of drugs in ...

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Validation of UV - VIS Spectrophotometry for Phosphorous Molybdenum Determination in  Soils of Vietnam

Validation of UV - VIS Spectrophotometry for Phosphorous Molybdenum Determination in Soils of Vietnam

... study used molybdenum blue method to determine silica in rice samples at 815 nm [18]. Therefore, silicate ions might affect phosphorus detection at 890 nm. Indeed, only silicate ions gave absorbance spectrum in the ...

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Determination of Hexazinone in Environmental Samples by Uv-Vis Spectrophotometry-Partial Least Squares Regression

Determination of Hexazinone in Environmental Samples by Uv-Vis Spectrophotometry-Partial Least Squares Regression

... Samples containing high concentrations of both components were omitted because of their excessive absorbance (>1.2 AU as a maximum). With this arrangement, it was poss[r] ...

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Preparation and characteristics of an environmentally friendly hyperbranched flame retardant polyurethane hybrid containing nitrogen, phosphorus, and silicon

Preparation and characteristics of an environmentally friendly hyperbranched flame retardant polyurethane hybrid containing nitrogen, phosphorus, and silicon

... (LOI), UV- VIS spectrophotometry, and Raman analysis were conducted to structure characterization and analyzed transparency, thermal stability, flame retardancy, and residual char to understand the ...

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Immobilization of acetonitrile ligated cobalt(II) complexes on modified silica and its characterization

Immobilization of acetonitrile ligated cobalt(II) complexes on modified silica and its characterization

... and UV-Vis spectrophotometry method, and the other matter is added support functionalized silica with >Si-OH / Co (molar) ratio is 1 : 1,2 ...

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Substandard/Falsification Antibacterial  Agents: A Systematic Review of Liquid Chromatographic and Spectrophotometric Methods for Their Detection

Substandard/Falsification Antibacterial Agents: A Systematic Review of Liquid Chromatographic and Spectrophotometric Methods for Their Detection

... by UV/vis spectrophotometry ...In UV/vis spectrophotometry the content of amoxicillin were achieved at 397 nm and the method was based on the selective oxidation of amoxicillin ...

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Electrochemical and Theoretical Study of Metronidazole Drug as Inhibitor for Copper Corrosion in Hydrochloric Acid Solution

Electrochemical and Theoretical Study of Metronidazole Drug as Inhibitor for Copper Corrosion in Hydrochloric Acid Solution

... inhibition efficiency reached a maximum value of 94.9 %, at a drug concentration of 300 ppm [22]. In this study, the corrosion inhibition of copper in 1.0 mol L -1 HCl solution using metronidazole drug (MNZ), IUPAC name: ...

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4-benzyl pyrazolone functionalized gold nanoparticles for fluorescence sensing and detection of Al 3+ ion in water samples

4-benzyl pyrazolone functionalized gold nanoparticles for fluorescence sensing and detection of Al 3+ ion in water samples

... Transmission electron microscopy (TEM) measurement were performed on (Jeol JEM 2100F field emission TEM) operated at an accelerating voltage of 80 Kv. Statistical analysis of TEM data was done with image processing ...

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The MPI-Mainz UV/VIS Spectral Atlas of Gaseous Molecules of Atmospheric Interest

The MPI-Mainz UV/VIS Spectral Atlas of Gaseous Molecules of Atmospheric Interest

... MPI-Mainz UV / VIS Spectral Atlas of Gaseous Molecules (MPI – Max-Planck Institute for Chemistry; UV / VIS – ultraviolet and visible) is a large collection of cross sections and quantum yields ...

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Discrimination of juice press fractions for sparkling base wines by a UV Vis spectral phenolic fingerprint and chemometrics

Discrimination of juice press fractions for sparkling base wines by a UV Vis spectral phenolic fingerprint and chemometrics

... a UV-Vis spectrophotometer for other routine ...addition, UV-Vis spectroscopy relies on π bonding and conjugated double bonds, so phenolics have distinct UV fingerprints, while the most ...

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Preparation of Nanocomposites Poly (P-Phenylene Vinylene) / ZnO Thin Film and
Structural Characterizations

Preparation of Nanocomposites Poly (P-Phenylene Vinylene) / ZnO Thin Film and Structural Characterizations

... that UV-Vis absorption spectrum of different thickness film of PPV/ZnO composite ...material. UV-vis spectra reveal that thickness variations depend on absorption properties of the film the ...

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Growth and Studies on Aluminium Ammonium Sulphate Single Crystal

Growth and Studies on Aluminium Ammonium Sulphate Single Crystal

... The structure of Aluminium Ammonium Sulphate is shown in Fig. 2. ; Fig. 3 and Fig.4 represent the FT-IR and FT-Raman spectra of Aluminium ammonium sulphate. The FT-IR spectrum was recorded using Perkin Elmer Spectrum 1, ...

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Structural and Optical Properties of NiS Nanoparticles Synthesized by Chemical Precipitation Method

Structural and Optical Properties of NiS Nanoparticles Synthesized by Chemical Precipitation Method

... ABSTRACT: In the present work, orthorhombic NiS nanoparticles were obtained by chemical precipitation method using tri ethanol ammine (TEA) as a capping agent. The nickel sulfide nanoparticles were characterized by X-ray ...

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Characterization of cyanidin 3 (6 acetylglucoside) 5 (3” coumaryl 6”  malonylglucoside) compound from cinnamon bud leaves (Cinnamomum burmanni (Ness & T  Ness) Blume) by HPLC DAD ESI MS

Characterization of cyanidin 3 (6 acetylglucoside) 5 (3” coumaryl 6” malonylglucoside) compound from cinnamon bud leaves (Cinnamomum burmanni (Ness & T Ness) Blume) by HPLC DAD ESI MS

... Cyanidin is a particular type of anthocyanidin. It is ethanol soluble pigment more than water. Cinnamon (Cinnamomum burmanni (Ness & T. Ness) Blume) is a species of the Cinnamomum genus from family of Lauraceae. In ...

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Synthesis of Silver Nanoparticles Using Muntingia Calabura L. Leaf Extract As Bioreductor and Applied As Glucose Nanosensor

Synthesis of Silver Nanoparticles Using Muntingia Calabura L. Leaf Extract As Bioreductor and Applied As Glucose Nanosensor

... Shimadzu UV-Vis spectrophotometer (UV-2600), Scanning Electron Microscopy (SEM), Particel Size Analyzer (PSA)-DLS VASCO, magnetic stirer (VWR Scientific), X-ray Difraction (XRD)-Shimadzu 7000, ...

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Degradation of Methylene Blue Dye Using Activated Carbon Obtained From Bio Waste

Degradation of Methylene Blue Dye Using Activated Carbon Obtained From Bio Waste

... In the contact time between adsorbent and adsorb ate is one of the most important parameter that particularly affect the performance of degradation rate of MB dye. The UV-VIS absorption spectrum for ...

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