Hdehp萃取剂

Author: qocb

August undefined, 2024

WebVol .25 No .4 N ov .2003. 文章编号 :0253-9950 (2003)04-0219-04. HDEHP 萃取法从裂变产物中分离142La. 先是从裂变产物中提取 Ba (除掉 La), 而后再从 Ba 中分离出由 Ba 生长 … Web混合介质中HDEHP溶剂萃取法测定钚中镅-张祖逸钟家华-中文期刊【掌桥科研】 ... 无

萃取剂P507_化工百科

Web化学学报 acta chimic、asinica 1997 67 稀释剂与萃取剂的相互作用，不仅改变了萃取剂的工聚性质，也很大程度上改变了其界面性质.由表2 可见，随着稀释剂极性的增加，hdehp … Webhdehp和hehehp混合萃取剂在硫酸介质中协同萃取re(Ⅲ)的机制研究-ห้องสมุดไป่ตู้ 首页文档视频音频文集文档 goodyear tires three chopt rd richmond va

HDEHP和HEHEHP混合萃取剂在硫酸介质中协同萃取RE(Ⅲ)的机 …

Web摘要：本文研究了在硝酸—有机溶剂(与水互溶)介质中,添加剂、稀释剂、硝酸和萃取剂浓度,以及一些干扰物质等对HDEHP[二(2—乙基己基)磷酸]萃取Am(Ⅲ)和Pu(Ⅳ)的影响。并与 … WebInvestigations into the behaviour of a number of support materials retaining HDEHP have indicated that a poly-(vinyl chloride/vinyl acetate) copolymer (‘Corvic’, ... WebApr 4, 2024 · ChemicalBook 提供有关298-07-7的理化性质,用途,制备方法,CAS号,MSDS goodyear tire stock chart

不同稀释剂中HDEHP的界面性质研究

WebJan 1, 1979 · The partition of chromium(III) between sulphuric acid solutions and solutions of bis-(2-ethyl hexyl)-phosphoric acid (abbreviated as HDEHP or H 2 A 2) in benzene has been investigated as a function of the contact time, the acidity of the aqueous phase, temperature and the concentrations of the extractable metal, sulphate, nitrate and acetate ions and … Web1 Cyanex272在萃取分离稀土方面的应用. 椐查《化学文摘》得知，有关Cyanex272萃取剂的文献自80年代初问世以来已发表了数百余篇。其中绝大部分是应用Cyanex272进行金属 … goodyear tire stock priceWeb二(2-乙基己基)磷酸(hdehp)萃取co2+的研究已见诸文献，其中包括动力学研究的报道[1] 本文仍选用该体系作为研究对象，目的有二:其一， hdehp与三辛基氧化麟 (topo)对co2+有热 … chf 265.00 to usd

"http://sioc-journal.cn/Jwk_hxxb/CN/article/downloadArticleFile.do?attachType=PDF&id=334637 " - Hdehp萃取剂

Hdehp萃取剂

The solvent extraction of chromium(III) with bis-(2-ethyl hexyl ...

WebBulk and Prepack available Aldrich-237825; HDEHPA HDEHP ‘Dioctyl’ phosphate Di(2-ethylhexyl) phosphate; CAS No. 298-07-7; Explore related products, MSDS, application … http://zh.florrea.com/product/detail?id=91

Did you know?

Web【摘要】：考察了在不同溶剂中HDEHP对镨、钕、钐、镝、钬、镱等的萃取，计算得到萃取表观平衡常数Kex、热力学平衡常数KΘex和萃合物的溶解度参数δc，建立了lgKex与溶 … WebJun 22, 2015 · 我国国家标准GB 11222．1—89和GB 6766—86均采用HDEHP作为萃取剂来分析测定锶一90。. 样品中锶一90活度可根据与其处于放射性平衡的子体钇一90的B活度 …

Web利用HDEHP从硫醚体系中液一液革取分离镍和锌铁，研究了HDEHP对Fe￣（3＋）Zn￣（2＋）、Ni￣（2＋）、Cu￣（2＋）的萃取行为，反萃取条件及三 … WebBis(2-ethylhexyl)phosphoric acid (HDEHP) is frequently used as an extractant in the separation and recovery of lanthanides by solvent extraction and extraction …

WebHDEHP, phase stability and influence of nitric acid were considered. Extraction isotherms were constructed, and influence of water‐soluble complexing agents on the separation factor was Webcomplexes and are extracted with the assistance of HDEHP into the oil phase by forming neutral [UO 2 (HL 2) 2] complexes, where HL 2 stands for the HDEHP dimer with one proton dissociated. In the HL 2 ligand, two deprotonated oxygen atoms bind to the uranium atom of UO 2 2+, and the remaining proton is shared between two HDEHP molecules through ...

Web中文名:二(2-乙基己基)磷酸酯,英文名:Di(2-ethylhexyl)phosphate,CAS:298-07-7,溶剂，作用稀土金属萃取剂，润湿剂和表面活性剂的原料，塑料增塑剂。该品有中等毒性，对眼、皮 …

Web冷却,待143Ba 全部衰变成143La 后,用 HDEHP 萃取,使La 进入有机相,Ba 留在水相,实现Ba2La 的第一次分离。与La 一起进入有机相的还有 RE。将上述含Ba 水相放置一段时 … goodyear tire stock price todayWebOct 9, 2012 · A method was developed to produce a thin Polymer Ligand Film (PLF) using di(2-ethylhexyl) orthophosphoric acid (HDEHP) ligand for rapid extraction of plutonium. Ligands were incorporated into a polystyrene matrix to generate a smooth and durable surface for analyte extraction. PLFs were prepared with varying amount of ligands to find … goodyear tires tinley park ilhttp://sioc-journal.cn/Jwk_hxxb/CN/article/downloadArticleFile.do?attachType=PDF&id=328294 goodyear tire stock newsWebApr 15, 2024 · HDEHP萃取法从裂变产物中分离142La. 用二- (2-乙基己基)磷酸 (HDEHP)作萃取剂,二甲苯作稀释剂,在盐酸介质中,研究了从裂变产物中分离142La的最佳条件,提出了" … chf 266.95Di-(2-ethylhexyl)phosphoric acid (DEHPA or HDEHP) is an organophosphorus compound with the formula (C8H17O)2PO2H. The colorless liquid is a diester of phosphoric acid and 2-ethylhexanol. It is used in the solvent extraction of uranium, as well as the rare-earth metals. See more DEHPA is prepared through the reaction of phosphorus pentoxide and 2-ethylhexanol: 4 C8H17OH + P4O10 → 2 [(C8H17O)PO(OH)]2O [(C8H17O)PO(OH)]2O + C8H17OH → (C8H17O)2PO(OH) … See more Extraction DEHPA is used in the solvent extraction of uranium salts from solutions containing the sulfate, chloride, or perchlorate anions. This extraction is known as the “Dapex procedure.” Reminiscent of the behaviors of See more chf280WebNov 6, 2016 · hdehp和heh/ehp在硫酸介质中对y3+的协同萃取及反萃行为研究黄小卫1张永奇龙志奇王春梅李红卫薛向欣11.东北大学冶金资源与环境 ... chf266Web常用的磷（膦）酸类萃取剂主要有P204、P507、Cyanex 272。. 3. 碱性萃取剂—有机胺. 属于碱性萃取剂的主要是伯、仲、叔胺与季铵盐，这些有机胺在水中能加合氢离子，显示 … goodyear tires toledo