Spectrophotometric Procedure for Fast Reactor Advanced Coolant Manufacture Control

O S Andrienko,N B Egorov,D V Indyk,I I Zherin

doi:10.1088/1757-899x/112/1/012007

Abstract

The paper describes a spectrophotometric procedure for fast reactor advanced coolant manufacture control. The molar absorption coefficient of dimethyllead dibromide with dithizone was defined as equal to 68864 ± 795 l·mole-1·cm-1, limit of detection as equal to 0.583 · 10-6 g/ml. The spectrophotometric procedure application range was found to be equal to 37.88 - 196.3 g. of dimethyllead dibromide in the sample. The procedure was used within the framework of the development of the method of synthesis of the advanced coolant for fast reactors.

Highlights

Metal lead enriched by 208Pb is considered to be an advanced coolant for fast reactors by several authors [1,2]
There exists a demand in the method for obtaining metal lead enriched by 208Pb isotope from gaseous lead tetramethyl (Pb(CH3)4), which is used as a working media in isotope separation process [2]
The authors [3] show that one of the compounds received after the tetramethyllead bromination is dimethyllead dibromide (Pb(CH3)2Br2)

Summary

Introduction

Metal lead enriched by 208Pb is considered to be an advanced coolant for fast reactors by several authors [1,2]. While working with the method for obtaining the isotopically enriched lead as the advanced coolant for fast reactors from gaseous lead tetramethyl [4] there appeared a target to control the amount of Pb(CH3)2Br2 during the Pb(CH3) bromination process. There is a method for spectrophotometric determination of Pb2+, R3Pb+ and R2Pb2+ (R – alkyl radical) ions with 4-(2-Pyridylazo) resorcinol known [5]. The use of this method is complicated since no value of molar absorption coefficient of the ions under consideration is represented

Objectives

Findings

Methods

Conclusion