Results 11 to 20 of about 273,868 (276)
Química Nova, 2004 Spectrophotometry is one of the most widespread analytical techniques due to its simplicity, reliability, and low-cost instrumentation for both direct measurements and coupled to other techniques or processes such as chromatography, electrophoresis and ...
Fábio R. P. Rocha +1 more
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Descriminant analysis of flowers, leaves, stems of combretum indicum varr.M and Varr.B with UV-vis spectrophotometric chemometric method [PDF]
E3S Web of Conferences, 2023 Combertum indicum has two varieties, namely varr.M and Varr.B., so to maintain the truth of the sample it is necessary to discriminate. The way to distinguish these two varieties can use the UV-vis spectrophotometric approach.
Hadi Samsul +2 more
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Indonesian Journal of Educational Research and Technology, 2022 UV-VIS spectrophotometry is one of the methods used to perform qualitative and quantitative analysis of organic and inorganic compounds. However, until now there has been no further research that studies and describes the detailed analysis of UV-VIS ...
Restiani Alia Pratiwi +1 more
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Kovalen: Jurnal Riset Kimia, 2022 Boron analysis by UV-Vis spectrophotometry has been developed through distilling triethoxy borane into the curcumin solution. In the distillation of ester borane, an esterification reaction occurs between borate and ethanol.
Isna Lailatusholihah +3 more
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Applied Sciences, 2021 The electrochemical stability of ceftriaxone (CFTX), belonging to the third generation of cephalosporin antibiotics, was studied by electrochemical measurements recorded on a platinum electrode (Pt) in aqueous solutions containing sodium halides.
B. Tutunaru +5 more
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Validation of UV-Vis spectrophotometry methode for analysis of apigenin in celery extract (Apium graveolens L.) [PDF]
Pharmaciana, 2017 Apigenin is one of the flavonoid compounds contained in celery (Apium graveolens L.) and has been used for the treatment of various diseases. This study aims were to ensure the validity and accuracy of analytical method for apigenin assay in celery ...
Asep Nurrahman Yulianto +3 more
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Walisongo Journal of Chemistry, 2022 Determination and characterization of the lycopene content of the n-hexane fraction from potato-leaved tomato (Solanum lycopersicum grandyfolium) using Fourier transform infrared (FTIR) spectrophotometry and UV-Vis spectrophotometry.
Arfiani Nur +4 more
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Scientific Reports, 2022 Stability studies are essential to be able to assign an expiration date to medications. Color variation is one of the organoleptic characteristics of actives substances or medications which can indicate the presence of contaminations, impurities or ...
Lara-Malenka Sakiroff +5 more
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Albumin Identification in Catfish ( Clarias sp ) Using Spectrophotometry UV-VIs
Ad-Dawaa : Journal of Pharmacy, 2023 Albumin is a simple protein with globular protein molecules. Albumin is water soluble and can be coagulated with heat. Albumin solution in water can be precipitated by adding ammonium sulfate until saturated. Albumin functions to regulate the osmotic pressure in the blood, maintain the presence of water in the blood plasma so that it can maintain the ...
Perti Fitriani, Davit Nugraha
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, 2020 Wheat phenolic compounds have benefits of maintaining health and reducing risks of some chronic diseases and cancers. Wheat breeders and producers are becoming interested in producing specialty wheat with a higher amount of bioactive phenolics, in ...
Wenfei Tian +4 more
semanticscholar +1 more source