Adsorption of ￣（153）Sm-EDTMP on hydroxyapatite

您当前的位置：

首页 >

文章列表页 >

Adsorption of ￣（153）Sm-EDTMP on hydroxyapatite

更新时间：2021-04-09

- Adsorption of ￣（153）Sm-EDTMP on hydroxyapatite
- NUCLEAR TECHNIQUES Issue 4, (1996)
- 作者机构：
  
  1. 中国工程物理研究院核物理与化学研究所
  2. 华西医科大学附一院
  3. 中国工程物理研究院核物理与化学研究所华西医科大学附一院
- 作者简介：
- 基金信息：
- DOI：
  CLC： O621.255.7
- Published：01 April 1996
- 稿件说明：
移动端阅览
[1]罗顺忠,谯健,蒲满飞,刘中林,赵鹏骥,傅依备,邓侯富.~（153）Sm—EDTMP在羟基磷灰石上的吸附[J].核技术,1996(04):236-240.

Adsorption of ￣（153）Sm-EDTMP on hydroxyapatite[J]. Nuclear techniques, 1996, (4).
[1]罗顺忠,谯健,蒲满飞,刘中林,赵鹏骥,傅依备,邓侯富.~（153）Sm—EDTMP在羟基磷灰石上的吸附[J].核技术,1996(04):236-240. DOI：

Adsorption of ￣（153）Sm-EDTMP on hydroxyapatite[J]. Nuclear techniques, 1996, (4). DOI：

摘要

用ＨＡ（羟基磷灰石）作骨体外模型，研究了配合物１５３Ｓｍ－ＥＤＴＭＰ（乙二胺四甲撑膦酸）在ＨＡ上的吸附规律和几种共存离子（或配体）对吸附和解吸的影响。在ｐＨ＝７．０士０．２的条件下，体系中配合物量＜４０μｍｏｌ／（ｇＨＡ），吸附定量进行；当配合物量＞４０μｍｏｌ／（ｇＨＡ），则不能定量吸附．共存离子Ｃａ２＋的存在能显著增加对配合物的吸附，而配体ＥＤＴＭＰ则相反．几种配体对配合物的解吸能力为ＥＤＴＭＰ＞＞ＤＴＰＡ＞ＥＤＴＡ．配合物在ＨＡ上的吸附存在两种方式：（１）有效定量吸附，吸附配合物量＜４０μｍｏｌ／（ｇＨＡ），（２）非有效吸附，吸附配合物量＞４０μｍｏｌ／（ｇＨＡ）．指出库仑斥力作用是引起体系中配合物量在４０—８０μｍｏｌ／（ｇＨＡ）之间不能定量吸附的根本原因．

Abstract

Adsorption of 153Sm-EDTMP and effect of several coexisting substances on adsorption and desorption were investigated using hydroxyapatite （HA） as a skeleton model and 153Sm as a tracer. The adsorption is shown to be quantitative up to total deposition of 40 μmol/（g HA）

while non-quantitative when the complex concentyation is >40 μmol/（g HA）

in the medium of pH=7.0±0.2. The uptake increases significantly with the addition of Ca2+ ions. The ability to desorb the adsorped complex is in order of EDTMP>> DTPA > EDTA. Two adsorption modes of 153Sm-EDTMP on HA are suggested

i.e. （1） quantitative （when the amount of adsorbed complex is ≤ 40 μmol/（g HA））

and （2） less efficient （>40μmol/（g HA））.Non-quantitative adsorption is attributed to Coulomb repulsion while the complex amount is ranging from 40 to 80 μmol/（g HA）.

关键词

Keywords

references

Views

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Quantitative estimation of tritium content in graphite for thorium molten salt reactor

Preparation of C50 concrete and its adsorption performance for Cs⁺ and Ni²⁺

Research on the carbonization law of cement and its adsorption of ¹³⁷Cs

The Sr²⁺ adsorption performance of rock colloids in a cavern disposal repository

Study on the adsorption properties of antimonene for U, Th, and Pu: Combination of the linear response approach method and density functional theory

Related Author

ZENG Linlin1

CHENG Wenyu1

WANG Chenxu1

LI Lei3

ZENG Youshi1

LIU Wenguan4

DENG Ke 1

Related Institution

Sun Yat-Sen University

Hengyang Normal University

University of Chinese Academy of Sciences

1. Shanghai Institute of Applied Physics，Chinese Academy of Sciences

Southwest University of Science and Technology

AI问答

Address：2019 Jialuo Road, Jiading, Shanghai, China Postal code：201800
Tel：021-39194977 Email：LHB@sinap.ac.cn
Technical support is provided by Beijing Founder electronics co., LTD 沪ICP备05005479号-1 京公网安备11010802024621
It is recommended to read the content of this site in Chrome&IE9+. Please switch to extreme mode in browser 360.
Cookies We use cookies to help provide and enhance our service and tailor content. By continuing, you agree to the use of cookies.
Total Visits：880780 Visits Today：307

⁰