Academic literature on the topic 'Ultra-Visible Spectrophotometry'

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Journal articles on the topic "Ultra-Visible Spectrophotometry"

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Andulaai, Arlina Mayharty, Ruslan Ruslan, Hardi Ys., and Dwi Juli Puspitasari. "STUDI PERBANDINGAN ANALISIS VITAMIN E MINYAK SAWIT MERAH TERSAPONIFIKASI ANTARA METODE SPEKTROFOTOMETRI UV-VIS DAN KCKT." KOVALEN 3, no. 1 (2017): 50. http://dx.doi.org/10.22487/j24775398.2017.v3.i1.8233.

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A research about a comparative study of spectrophotometry UV-Vis and HPLC method for the analysis of vitamin E in saponified red palm oil has been done. This research aims to compare the results of analysis using Spectrophotometer UV - Vis and HPLC to determine the concentration of vitamin E in red palm oil previously saponified and extracted. HPLC analysis was carried out using an RP-18 column and mobile phase composed a methanol and water ( 86:14 ), with a flow rate of 1 ml/min and UV detection at 290 nm. For the Spectrophotometric UV-Vis analysis, hexane was used as a solvent and the wavele
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Mashuni, T. S. Akbar, and M. Jahiding. "Development of Cypermethrin Pesticide Detection Method using Ultra Violet-Visible Spectrophotometry." Asian Journal of Chemistry 29, no. 2 (2017): 346–48. http://dx.doi.org/10.14233/ajchem.2017.20195.

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Watoni, Abdul Haris Haris. "Plasmonic Sensor Nata de Coco Film Inserted with Copper Nanoparticles for Detection of Mercury by UV-Vis Spectrophotometry." Chimica et Natura Acta 13, no. 1 (2025): 28–41. https://doi.org/10.24198/cna.v13.n1.54839.

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The rapid development of the mining industry has resulted in an increasing amount of toxic waste materials in the environment, including mercury (Hg). A reliable chemical sensor is needed to detect the presence of mercury. One of the chemical sensors that is starting to be widely developed is plasmonic film. This research aims to determine the characteristics and validity of plasmonic nata de coco-copper nanoparticle (CuNPs) films for cuvette type sensor chips in the rapid detection of Hg metal using UV-Vis spectrophotometry. This research began with the preparation of a bioreductor from red d
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Ruslan, Ruslan. "Effect Of Soft Drink To Demineralization On The Tooth Enamel By Addition Of Sodium Fluoride." Indonesian Journal of Chemical Research 1, no. 2 (2014): 61–65. http://dx.doi.org/10.30598/ijcr.2014.1-rus.

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This research was carried to determine the influence of soft drink with tooth, determine power to retard of NaF at the demineralization of tooth enamel and to determine of Calcium and Phosphate total which dissolve. The research was carried out with to flood the tooth in soft drink without to add a soft drink and with to add a soft drink at the certain time variation. The demineralization of tooth enamel to see at the decrease of tooth weight before and after flooded. The degree of Calcium in soft drink to measure with Atomic Absorption Spectrophotometry (AAS) and the degree of Phosphate in so
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Vaishnavi, Nikhade*1 Alpana Asnani2 Yogesh Gholse3 Nikhil Hatwar4 Pooja Wankhade5 Vaibhavi Meshram6 Madhuri Fating7. "A Comprehensive Review of Analytical Techniques for The Quantification of Salmeterol Xinafoate and Fluticasone Propionate in Pharmaceutical Preparations." International Journal of Pharmaceutical Sciences 3, no. 6 (2025): 644–55. https://doi.org/10.5281/zenodo.15593657.

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The identification and quantification of compounds in medicinal formulations rely heavily on analytical chemistry. SX and FP, two active components frequently utilize to treat asthma and chronic obstructive pulmonary disease (COPD), are synchronously estimated in a combined dosage form using a variety of analytical methodologies reviewed in this study.  This review highlights the use of techniques including Ultra-Visible spectroscopy, High-Performance Thin-Layer Chromatography (HPTLC) and High-Performance Liquid Chromatography (HPLC) are utilize to determine the concentration of these dru
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Sidelev, Dmitrii V., and Yuriy N. Yurjev. "The Reactive Deposition of TiOx Thin Films." Advanced Materials Research 1040 (September 2014): 748–52. http://dx.doi.org/10.4028/www.scientific.net/amr.1040.748.

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The article reports on the aspects of reactive deposition ultra-thin TiOx films (50 nm) by means of dual magnetron system with mirror and closed magnetic field (B field) configurations. The hysteresis effect of electrical discharge characteristics and oxygen partial pressure P(O2) are presented. The dual magnetron with closed B field configuration has less hysteresis peculiarities and transits back to metallic deposition mode at higher O2 flow rate (Q). The deposition rates don’t depend on B field configuration and correlate with changing of P(O2) and discharge voltage. The refractive spectra
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Peerapattana, Jomjai, Yusuke Hattori, and Makoto Otsuka. "Simultaneous quantitative analysis of indomethacin and benzoic acid in gel using ultra-violet-visible spectrophotometry and chemometrics." Bio-Medical Materials and Engineering 30, no. 1 (2019): 73–84. http://dx.doi.org/10.3233/bme-181034.

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Papitha, Ruthiran, Lokesh Ravi, and Chinnadurai Immanuel Selvaraj. "PHYTOCHEMICAL STUDIES AND GC-MS ANALYSIS OF SPERMADICTYON SUAVEOLENS ROXB." International Journal of Pharmacy and Pharmaceutical Sciences 9, no. 3 (2017): 143. http://dx.doi.org/10.22159/ijpps.2017v9i3.16059.

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Objective: The present study was performed to identify the phytochemical constituents of leaves and flowers of a plant Spermadictyon suaveolens extracted with four different solvents.Methods: Dried and powdered samples were subjected to soxhlation based on the polarity of the solvents. The extracts were scanned using Ultra Violet-visible (UV-Vis) spectrophotometry with the wavelength ranging from 200–800 nm by comparing the absorption spectrum with the spectra of known compounds, Fourier Transform Infrared (FT-IR) spectrometry was used to find out the functional groups of the compounds and GC-
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Esati, Ni Ketut, I. Putu Eka Budiarta, Kadek Duwi Cahyadi, and Gusti Ayu Dewi Lestari. "ISOLASI DAN IDENTIFIKASI SENYAWA FLAVONOID FRAKSI ETIL ASETAT EKSTRAK DAUN AFRIKA (Vernonia amygdalina Del.)." Jurnal Ilmiah Ibnu Sina (JIIS): Ilmu Farmasi dan Kesehatan 6, no. 2 (2021): 350–60. http://dx.doi.org/10.36387/jiis.v6i2.741.

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African leaves (Vernonia amygdalina Del.) are reported to have activity as anti-malarial, antibacterial, anticancer, antioxidant, and others. This is closely related to the secondary metabolite compounds, that are contained in african leaves. One of the secondary metabolites that have a big role in the efficacy of african leaves is flavonoids. So that the purpose of this study, to isolated and identified the flavonoid compounds from african leaves. The plants were picked directly in the Tabanan area, Bali. The stages of this study were making the ethanol extract of african leaves, skrinning of
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Alsukaibi, Abdulmohsen K. D., Mohd Wajid Ali Khan, Ahmed Al-Otaibi, et al. "Modified ZnO mediated dye detoxification by a heterogeneous Fenton process." Emerging Materials Research 12, no. 2 (2023): 1–9. http://dx.doi.org/10.1680/jemmr.22.00151.

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The continuous and unchecked discharge of effluents by the dyeing industry in water bodies, have lead to the rising importance of water treatment. This study focusses on the successful abatement of Auramine O (AM) dye in the aqueous system by a heterogeneous Fenton process using ultrasonication. Zinc oxide (ZnO) nanoparticles (NPs) were obtained by a straightforward precipitation method and then modified by glycine (M-ZnO). The NPs size sharply decreased upon modification with glycine. Light absorbing capacity and band gap were determined by Ultra Violet (UV) visible spectrophotometry. X-ray d
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Book chapters on the topic "Ultra-Visible Spectrophotometry"

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THORNE, A. P. "High Resolution Visible/Ultra-Violet Fourier Transform Spectroscopy." In Advances in Standards and Methodology in Spectrophotometry. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-444-42880-6.50024-6.

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