PRE-CONCENTRATION

作品数：20被引量：53H指数：5
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相关领域：理学更多>>
相关作者：王丽刘润清孙伟刘涛边颖更多>>
相关机构：中南大学武汉理工大学更多>>
相关期刊：《Transactions of Nonferrous Metals Society of China》《Journal of Oceanology and Limnology》《Journal of Rare Earths》《Emerging Contaminants》更多>>
相关基金：国家自然科学基金国家科技支撑计划更多>>
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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 
Determination of Platinum Levels in Environmental Samples by ICP-MS and Optimization Conditions for Preconcentration
《Journal of Environmental Science and Engineering(B)》2024年第6期255-261,共7页Uyan Yuksel 
Siirt University for their support in the project with the reference number 2015-SİÜMYO-27.
In this study,the platinum(Pt)levels in environmental samples(soil,water,dust)collected from heavily trafficked streets in the city center of Siirt were determined using ICP-MS(Inductively Coupled Plasma Mass Spectrom...
关键词：PLATINUM ICP-MS Siirt SPE pre-concentration. 
Maximizing the exploitation of phosphogypsum wastes using soaking technique with citric acid, recovering rare-earth and residual phosphate contents被引量：6
《Journal of Central South University》2022年第12期3896-3911,共16页Ahmed Atef ELIWA Amal Essam MUBARK Nasr Abelaziz ABDELFATTAH Ebrahim Abd El GAWAD 
Phosphogypsum(PG), the main by-product of phosphoric acid production industries, is considered one of the most important secondary sources of rare earth elements(REEs). The current study focuses on the recovery of REE...
关键词：PHOSPHOGYPSUM rare earths citric acid dissolution SOAKING Dowex 50X8 PRE-CONCENTRATION 
Modes of occurrence and pre-concentration of rare earth elements in No.17 coal in Liupanshui coalfield,China被引量：1
《Journal of Rare Earths》2022年第8期1323-1332,共10页Bo Yang Chen Cheng Yuanxin Li Wei Cheng Jingkun Zang Xiangping Lai Xiaorui Wang 
Project supported by National Natural Science Foundation of China (51964009,41802190)。
Rare earth elements(lanthanide and yttrium,abbreviated as REY) provide important support for national security,energy production,environmental protection and economic growth.In recent years,many studies have shown tha...
关键词：COAL Rare earth elements Occurrence mode KAOLINITE PRE-CONCENTRATION 
Innovative pre-concentration technology for recovering ultrafine ilmenite using superconducting high gradient magnetic separator被引量：5
《International Journal of Mining Science and Technology》2021年第6期1043-1052,共10页Zhitao Yuan Xuan Zhao Jiwei Lu Hong Lv Lixia Li 
financial support from the Joint Fund (Key program U2067201) for Nuclear Technology Innovation Sponsored by the National Natural Science Foundation of China and the China National Nuclear Corporation;National key research and development program (2019YFC1907702) Sponsored by MOST;the Fundamental Research Funds for the Central Universities (N2001013) for supporting this research。
To achieve the utilization of the abandoned ultrafine ilmenite(-20 μm) produced in the titanium magnetite processing plant in Panzhihua,the superconducting high-gradient magnetic separation(SMS) technology was propos...
关键词：Ultrafine ilmenite Superconducting high gradient magnetic separation PRE-CONCENTRATION EDS-Mapping 
A magnetic adsorbent based on salicylic acid-immobilized magnetite nano-particles for pre-concentration of Cd(II) ions被引量：1
《Frontiers of Chemical Science and Engineering》2021年第2期450-459,共10页Hossein Abdolmohammad-Zadeh Arezu Salimi 
The financial support of the research council of Azarbaijan Shahid Madani University(Grant No.ASMU/98372-19)is acknowledged.
In this research,an eco-friendly magnetic adsorbent based on Fe_(3)O_(4)/salicylic acid nanocomposite was fabricated using a facile one-pot co-precipitation method.The crystalline and morphological characterization of...
关键词：CADMIUM magnetic solid-phase extraction Fe_(3)O_(4)nanoparticles Fe_(3)O_(4)/salicylic acid nanocomposite flame atomic absorption spectrometry 
Application of reflux classifier with closely spaced inclined channels in pre-concentrate process of fine antimony oxide particles被引量：2
《Journal of Central South University》2020年第11期3290-3301,共12页LIU Zhen-qiang LU Dong-fang WANG Yu-hua CHU Hao-ran ZHENG Xia-yu CHEN Fu-lin 
Project(2015SK20792)supported by Key Province Key Technology Research and Development Program of the Ministry of Science and Technology of Hunan,China;Projects(2019zzts703,2020zzts740,2020zzts202)supported by the Fundamental Research Funds for the Central Universities of China;Project(2020P4FZG03A)supported by State Key Laboratory of Vanadium and Titanium Resources Comprehensive Utilization,China。
In this work,the reflux classifier with closely spaced inclined channels is used as the pre-concentration facility to improve the separation efficiency before the shaking table separation.Three operating parameters of...
关键词：reflux classifier antimony oxide PRE-CONCENTRATION inclined channels 
Magnetic metal organic framework for pre-concentration of ampicillin from cow milk samples被引量：6
《Journal of Pharmaceutical Analysis》2020年第4期365-375,共11页Ahmad Reza Bagheri Mehrorang Ghaedi 
This work was financially supported by Graduate School and Research Council of Yasouj University.
The aim of this study is a present of a simple solvothermal synthesis approach to preparation of Cu-based magnetic metal organic framework(MMOF)and subsequently its application as sorbent for ultrasound assisted magne...
关键词：Magnetic metal organic framework Ultrasound assisted magnetic solid phase EXTRACTION AMPICILLIN Cow milk samples 
History and General Characteristics of the Adaptive Control System of the Deuterium Pre-concentration Stage in Heavy Water Production
《Journal of Mathematics and System Science》2019年第1期7-20,共14页Karachenets Dmitryi 
The history of creation in 1971–1975 years at SDB MMS of the Institute of Cybernetics (Kyiv city) the control system for the deuterium pre-concentration stage in heavy water production at Dneprodzerzhinsk chemical pl...
关键词：Adaptive control system DEUTERIUM HEAVY water DISTILLATION ACSTP MATHEMATICAL model managed PROBABILISTIC process 
Seasonal and spatial variations in rare earth elements and yttrium of dissolved load in the middle,lower reaches and estuary of the Minjiang River,southeastern China被引量：1
《Journal of Oceanology and Limnology》2018年第3期700-716,共17页ZHU Xuxu GAO Aiguo LIN Jianjie JIAN Xing YANG Yufeng ZHANG Yanpo HOU Yuting GONG Songbai 
Supported by the National Natural Science Foundation of China(No.41376050)
A bstract With the aim of elucidating the spatial and seasonal behaviors of rare earth elements(REEs), we investigated the dissolved REE concentrations of surface water collected during four seasons from middle, lower...
关键词：rare earth elements（REEs） Minjiang River estuarine mixing process dissolved load online pre-concentration system 
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