SPECTROPHOTOMETRIC

作品数：88被引量：62H指数：4
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相关作者：刘梅仙陈世忠王弘刘志强黄锦添更多>>
相关机构：北京大学华中科技大学嘉兴市药品检验所韶关学院更多>>
相关期刊：《Journal of Chemistry and Chemical Engineering》《光谱学与光谱分析》《Science Bulletin》《Journal of Chinese Pharmaceutical Sciences》更多>>
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Enhanced separation of yttrium,erbium and thulium with P507 induced by complexation kinetics of DTPA
《Transactions of Nonferrous Metals Society of China》2025年第4期1338-1349,共12页Na SUI Shu-kai MIAO Hao SHEN Kai-hui CUI Jia-qi WANG Kun HUANG 
funded by Key Laboratory of Ionic Rare Earth Resources and Environment,Ministry of Natural Resources,China(No.2022IRERE206);financially supported by the National Natural Science Foundation of China(Nos.51904027,52074031)。
Based on a non-equilibrium kinetic extraction technique,the complexation kinetics of diethylenetriamine-pentaacetic acid(DTPA)with rare earth(RE)ions was investigated with different adding sequences of DTPA.The result...
关键词：rare earths extraction complexation kinetics diethylenetriaminepentaacetic acid(DTPA) stopped-flow spectrophotometric technique 
Dispersive micro-solid phase extraction coupled with spectrophotometric using(MgFe CLDH)/GO magnetically separable sorbent for pre-concentration of anionic food dyes in water samples
《Emerging Contaminants》2024年第4期113-124,共12页Zarin Mohammadi Mohammad Mehdi Sabzehmeidani Mehrorang Ghaedi Kheibar Dashtian Hamid Abbasi-Asl 
In the present study,a method was described for the extraction of Sunset Yellow(SY)and Tartrazine(TZ)as anionic food dyes in actual samples by using magnetic calcined layered double hydroxide onto gra-phene oxide(MgFe...
关键词：Calcined layered double hydroxide Dispersive micro-solid phase extraction PRE-CONCENTRATION Soft drink Food dyes 
Optimization and Validation of a Simple Spectrophotometric Based DPPH Method for Analysis of Antioxidant Activity in Aerated, Semi-Aerated and Non-Aerated Tea Products
《Open Journal of Applied Sciences》2024年第8期2207-2222,共16页Simon Mwangi Kingori Sylvester Cheruiyot Aron Cheruiyot Kirui Rugema Grace Uwamahoro Agnes Wangui Mwangi 
In this study, the simple DPPH UV-spectrophotometric analytical procedures were optimized and validated for the estimation of antioxidant properties in aerated, semi-aerated and non-aerated tea products as per the AOA...
关键词：UV-Spectrophotometric Optimized Validated Antioxidant 
A Comparative Analysis of Caffeine Extraction Efficiency from Different Tea Varieties and Its Effect on Human Physiology: A Spectrophotometric Investigation
《American Journal of Analytical Chemistry》2023年第3期134-148,共15页Umaima Gazal 
The current work imitates the trivial method which intricates the abstraction along with classification of caffeine accessible in variability of decoction shrubberies which are expended in two different states of Indi...
关键词：CAFFEINE Tea Shrubberies SEPARATION Health Impacts SPECTROPHOTOMETRY 
Aquaphotomics determination of nutrient biomarker for spectrophotometric parameterization of crop growth primary macronutrients using genetic programming被引量：1
《Information Processing in Agriculture》2022年第4期497-513,共17页Ronnie Concepcion II Sandy Lauguico Jonnel Alejandrino Elmer Dadios Edwin Sybingco Argel Bandala 
Water quality assessment is currently based on time-consuming and costly laboratory pro-cedures and numerous expensive physicochemical sensors deployment.In response to the trend of device minimization and reduced out...
关键词：Aquaphotomics Genetic programming Plant nutrients Physicochemical composition SPECTROPHOTOMETRY Water quality monitoring 
Spectrophotometric Evaluation of Tannin Content in Domestic Beer Samples with Fe(Ⅲ)and 1,10-Phenanthroline
《Journal of Pharmacy and Pharmacology》2020年第1期7-12,共6页Crnkic Mirsad Klepo Lejla 
Tannins are polyphenolic compounds that can be divided into two groups by hydrolyzing and condensing.Tannins are produced in organisms of vascular plants called tannosomes and sequestered in vacuoles.The essential use...
关键词：TANNINS DOMESTIC BEER SPECTROPHOTOMETRY 1 10-PHENANTHROLINE 
Establishment of Spectrophotometric Detection Method for Trace Amount of Cd in Lead-bismuth Eutectic
《Annual Report of China Institute of Atomic Energy》2019年第1期183-183,共1页HUANG Xingde ZHAO Siqian LI Yong GUAN Guoying WU Jiuwei 
Under acidic conditions,polyvinyl alcohol(PVA)as a stabilizer,cadmium-potassium iodiderhodamine B(Cd-KI-RB)formed a stable ternary association(RB)2[CdI4],the color of the solution became fuchsia from pink,and there is...
关键词：POTASSIUM ALCOHOL BISMUTH 
The Coordination Compound of Ga(III) with Stillbazo in the Presence of Cetyl Pyridinium Chloride as a Surface Active Compound被引量：1
《Journal of Materials Science and Chemical Engineering》2019年第10期58-63,共6页Shahin M. Bayramov Aydin M. Pashajanov Gulu G. Abbasova Melahat I. Ganbarova Sona M. Gasanova 
The coordination compound of gallium (III) with stillbazo-stillbene-4,4'-bis [(1-azo)3,4-dihydroxybenzene]-2,2'-disulfonic acid has been investigated by spectrophotometric method in the presence of cetyl pyridinium ch...
关键词：GALLIUM Stillbazo Surface-Active Compound Concentration of the REAGENTS SPECTROPHOTOMETRIC Method 
A New Tetrasubstituted Imidazole Based Difunctional Probe for UV-spectrophotometric and Fluorometric Detecting of Fe^3+Ion in Aqueous Solution
《Chemical Research in Chinese Universities》2019年第2期200-208,共9页SHI Yanpeng CHEN Xiaodong MI Zhiming ZHENG Ran FAN Jie GU Qiang ZHANG Yuinin 
Two new compounds,4-(2-bromophenxl-4,5-diphenyl-imidazol-1-yl)ani 1 ine(probe 1)and 4-[2,4,5-tris(4-bromopheny1)-1H-imidazol-1-y1]aniline(probe 2),were synthesized via a soft and high-efficiency one-pot microwave-assi...
关键词：Fe^3+ion PROBE IMIDAZOLE Fluorescence quenching ABSORBANCE enhancement Microwave synthesis 
Structural and Spectrophotometric Study on Complexation of DMDODGA with U（Ⅵ） and Ln（Ⅲ）
《中国原子能科学研究院年报》2018年第1期161-162,共2页YANG Suliang ZHANG Yan LIU Qian ZHOU Jin TIAN Guoxin 
Unsymmetrical N,N′-dimethyl-N,N′-dioctyldiglycolamide(DMDODGA)has much higher extraction efficiency for actinide ions than symmetrical TRDGA ligands,especially for actinyl ions.To investigate the extraction behavior...
关键词：STRUCTURAL and SPECTROPHOTOMETRIC STUDY COMPLEXATION DMDODGA with U(Ⅵ)and Ln(Ⅲ) 
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