Preconcentration相关论文
Fabrication of Silver Nanoparticle-coated Silica as SERS Substrate for Preconcentration and Detectio
In this paper, we presented a facile method to fabricate a surface-enhanced Raman scattering (SERS) substrate for precon......
The U(VⅥ)-magnetic ion-imprinted polymer (MIIP) with a uniform core-shell structure for the selective separation and pr......
Chromium(Ⅲ)Binding Phage Screening for the Selective Separation and Preconcentration of Cr(Ⅲ)and Chr
In this study,we first prepared immobilized metal resins using Ni-NTA affinity resins for the interaction with NEB hepta......
Removal of bisphenol A in water using an integrated granular activated carbon preconcentration and d
Dielectric barrier discharge (DBD) plasma is widely used in environmental pollution control.The plasma contains various ......
Coal chemical industry,referring to the large scale production of fuels and chemicals from coal,has been growing rapidly......
Ultrasonic-assisted Extraction and Preconcentration of Flavones from Chamaecyparis Obtusa by Ionic L
Organic solvents were widely used for extraction of bioactive compounds from different natural plants, but they suffer f......
Ground water endocrine disruptor detection by using high conductivity graphite nanoparticle film ele
Endocrine disruptors(EDCs)are environmental pollutants that,once incorporated into an organism,affect the hormonal balan......
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A Solid Phase Extraction Application of Hybrid Nano B2O3/ZrO2 for Separation and Determination of Tr
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Synthesis of inorganic-organic hybrid materials for the fast preconcentration and speciation of merc
Mercury is considered as the detrimental element in human environment and they are usually present at various forms ......
Automated Ultratrace Metals Determination in SeawaterAutocalibration,Auto Matrix Matching,Preconcent
Ultratrace metals determination in seawater by ICPMS is challenging due to matrix effects,interferences,and low conc......
Interest in preconcentration techniques for the determination of metals at ultratrace levels still continues increasingl......
A Solid Phase Extraction Application of Hybrid Nano B2O3/ZrO2for Separation and Determination of Tra
本文通过对荣华二采区10...
本文通过对荣华二采区10...
Aminobenzenesulfonamide functionalized SBA-15 nanoporous molecular sieve: A new and promising adsorb
A rapid method for the extraction and monitoring of nanogram level of Pb2+ and Cu2+ ions using uniform silanized mesopor......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Preparation, characterization and application of thiosemicarbazide grafted multiwalled carbon nanotu
Thiosemicarbazide-grafted multi-walled carbon nanotubes were prepared and employed to investigate the pre-concentration ......
Separation and Determination of Trace Amounts of Thallium by Nano-TiO2 Combined with Microwave Irrad
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On-line Preconcentration and Determination of Trace Metals in Water Samples by Flow Injection Combin
本文通过对荣华二采区10...
Solid Phase Extraction of Uranium by Naphthalene-Methyltrioctylammonium Chloride and Arsenazo(Ⅲ)Adso
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Preconcentration by Using Microcrystalline Phenolphthalein for Determining Trace Molybdenum(Ⅵ) in Wa
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Imprinted polymers were prepared for selective removal of Cu(II) ions from metal solutions. Three ion-imprinted polymers......
Preconcentration of catecholamines by the modified monolithic silica in the capillary was investigated in this study. In......
Preconcentration of Rare Earth Elements with 8-Hydroxyquinoline-5-sulfonic Acid Chelated Cellulose F
8-Hydroxyquinoline-5-sulfonic acid,covalently bound to filter cellulose,was used for preconcentrating trace rare earth e......
Preconcentration by Using Microcrystalline Phenolphthalein for Determining Trace Molybdenum(Ⅵ) in Wa
IntroductionMolybdenum(Ⅵ) is a biologically essential trace element and its role in an extremely wide variety of system......
Separation and Determination of Trace Amounts of Thallium by Nano-TiO2 Combined with Microwave Irrad
Nano-TiO2 was employed for the separation and preconcentration of thallium. It was found that the adsorption ratio of th......
On-line Preconcentration and Determination of Trace Metals in Water Samples by Flow Injection Combin
An adsorbent calix[4]arene carboxylic acid was employed as the adsorption material for on-line flow injection(FI) micro-......
Aminobenzenesulfonamide functionalized SBA-15 nanoporous molecular sieve: A new and promising adsorb
A rapid method for the extraction and monitoring of nanogram level of Pb2+ and Cu2+ ions using uniform silanized mesopor......
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本文研究了银在活性炭上的吸附行为,提出了以硫酸、硝酸反复交替炭化,消化彻底分解破坏活性炭的处理技术。建立了活性炭富集火焰原......
对铅的各种分离富集方法进行了分析研究，改进了碘乙醇-醋酸铵处理汽油有机铅的方法，适宜现场测定汽油中铅。该方法快速、简单、效果......
研究了EDTA—二氨基二苯并18冠—6缩聚物(顺式)对金的吸附.实验表明这种缩聚物对金吸附效率高、平衡时间快、吸附容量大和再生使用......
利用缔合物Ｃｒ（ＨＬ′）２－ＳＣＮ－ＤＢＳ能被可溶滤膜富集的特点，用石墨炉原子吸收分光光度法测定了Ｃｒ（ＶＩ）为０．１μｇ·Ｌ－１级水样。在Ｃｒ（ＶＩ）为１．０～６．０μｇ·Ｌ－１测量范围内，Ｃｒ（ＶＩ）的浓度与吸光度......
本文简要介绍了广州有色金属研究院研制成功的ＧＺＤ动筛跳汰机的特点，并详细叙述了实际应用的成果，采用该机预选大厂９２号贫锡矿２０－３ｍｍ矿石，获得精矿......
近年来,室内空气污染问题越来越突出,室内空气挥发性有机污染物检测成为重要的研究课题。本文针对现行的室内空气检测方法进行改进......
报道了ＡＣＢＫ·ＳＧ的合成，研究了ＡＣＢＫ·ＳＧ的性质及用其富集、分离痕量金属离子的行为。......
目的：建立一种测定饮料中痕量铅的新方法；方法：用吡咯烷二硫代氨基甲酸铵（APDC）作配位剂，用PA-318强碱性阴离子交换树脂在pH6．0～7．0的条件下......
本文研究了ＡＰＤＣ－Ｃｕ（Ⅱ）共沉淀分离富集，开槽管原子捕集火焰原子吸收光谱测定铅的条件，发现痕量铅在ｐＨ值为２－８条件下能被ＡＰＤＣ－Ｃｕ（Ⅱ）定量共沉淀，方法的检出限可......
采用HD-8微色谱柱对高稀土铁矿石样品（白云鄂博矿）中的钍进行分离富集,探讨了影响其分离富集的条件。实验表明,在4 mol/L HCl介质中......
应用高效的在线流动注射螯合树脂预富集石英缝管增敏火焰原子吸收系统直接测定水中痕量镉和铜 ,试验用内装 2 0 0 mg Amberlite XA......
采用732磺酸型阳离子交换树脂在线富集、4mol／L HCl洗脱，直接进样火焰原子发射光谱法测定健康人尿中的痕量锂。方法可消除尿中大量有......
采用十六烷基三甲基溴化铵(CTMAB)对膨润土进行改性,用双硫腙对其表面进行修饰,制备了廉价的新型固态吸附剂。以火焰原子吸收为检......
水资源日益短缺,水中氨基甲酸酯农残的含量直接关系人类的健康。为此,详细阐述了近10年来水中氨基甲酸酯农残灵敏、快速、简便、环......
采用在线离子交换预富集-火焰原子吸收光谱法（FLAAS）测定环境水样中痕量铬（Ⅵ）。通过试验考察样品溶液pH、洗脱剂浓度、离子交换树脂用......
某含磷磁铁矿石中磷和铁的品位都很低,且磁性铁矿物含量只占总铁的60%.矿石经磁滑轮预选可抛除1/3的尾矿,预选粗精矿磨至-0.074mm......
分析了贫磁铁矿预选特点,阐述了CTF和2CTF型箱式干选机的分选原理、结构特点和工业应用情况。BGRIMM箱式干选机对承德地区细碎-15m......
本文以苯乙烯和二乙烯苯聚合成的大孔羟基型阴离子交换树脂为母体，用双硫腙试剂合成了琉基改性离子交换树脂．通过柱层析法，进行了上柱......
