Improvement on the method for determining radiochemical purity of ￣（99m）Tc-MDP

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Improvement on the method for determining radiochemical purity of ￣（99m）Tc-MDP

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- Improvement on the method for determining radiochemical purity of ￣（99m）Tc-MDP
- NUCLEAR TECHNIQUES Issue 5, (1994)
- 作者机构：
  
  上海市药品检验所
- 作者简介：
- 基金信息：
- DOI：
  CLC： R687
- Published：01 May 1994
- 稿件说明：
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[1]黄天森,吴卫国,蒋红珠.~（99m）Tc－MDP放化纯测定法的改进[J].核技术,1994(05):301-303.

Improvement on the method for determining radiochemical purity of ￣（99m）Tc-MDP[J]. Nuclear techniques, 1994, (5).
[1]黄天森,吴卫国,蒋红珠.~（99m）Tc－MDP放化纯测定法的改进[J].核技术,1994(05):301-303. DOI：

Improvement on the method for determining radiochemical purity of ￣（99m）Tc-MDP[J]. Nuclear techniques, 1994, (5). DOI：

摘要

采用纸层析方法，以０．９％氯化钠（Ⅰ）和８５％甲醇（Ⅱ）为两个展开剂系统，测定了９９ｍＴｃ、９９ｍＴｃ－胶体和９９ｍＴｃ－ＭＤＰ的Ｒｆ值。其Ｒｆ值在Ⅰ中分别为０．６８—０．７６、０和１．０；在Ⅱ中分别为０．６－０．７、０和０．结果表明，用Ⅰ可将９９ｍＴｃ－胶体与９９ｍＴｃ和９９ｍＴｃ－ＭＤＰ分离；用Ⅱ可将９９ｍＴｃ与９９ｍＴｃ－胶体和９９ｍＴｃ－ＭＤＰ分离．条件试验的结果表明，在两个系统中选择新华一号滤纸为载体，并在Ⅰ中采用氮压下展层的方法，可用以测定９９ｍＴｃ－ＭＤＰ的放化纯，其方法简便、可行、有效。

Abstract

By paper chromatagraphy method

taking 0.9% Nacl（System Ⅰ） and 85%methanol （System Ⅱ） as two developing solvent systems

the Rf values of 99mTc

99mTc- colloid and 99mTc- MDP were determined.They are respectively 0.68-0.76

0 and 1.0 in System Ⅰ; 0.6-0.7

0 and 0 in System Ⅱ.This result indicates 99mTc-colloid can be separated from 99mTc and 99mTc-MDP with SystemⅠ;99mTc separated from 99mTc-colloid and 99mTc-MDP with System Ⅱ. The result indicates the radiochemical purity of 99mTc-MDP can be determined by the two developingsolvent systems and developing under nitrogen pressure in SystemⅠ.The method is convenient

feasible and effective.

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