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BS ISO 23468:2021

BS ISO 23468:2021

$142.49

Reactor technology. Power reactor analyses and measurements. Determination of heavy water isotopic purity by Fourier transform infrared spectroscopy

Published By Publication Date Number of Pages
BSI 2021 26
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This document specifies an analytical method for determining heavy water isotopic purity by Fourier transform infrared spectroscopy (FTIR). It is applicable to the determination of the whole range of heavy water concentration. The method is devoted to process controls at the different steps of the process systems in heavy water reactor power plant or any other related areas.

The method can be applied for heavy water isotopic purity measurements in a heavy water reactor power plant or research reactor, heavy water production factory and heavy water related areas.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle
9 5 Reagents and materials
6 Apparatus
10 7 Heavy water reference standard preparation
7.1 General requirements
7.2 Storage of high isotopic purity heavy water reference standard
7.2.1 Ampoule bottle
7.2.2 Specially designed stainless steel container
7.3 Lower D2O concentration reference standard preparation
11 8 Sampling
8.1 General requirements
8.2 Sampling with syringes
8.3 Sampling with bottles
9 Preparation of calibration curves of the method
9.1 General
12 9.2 Preparation of the apparatus
9.2.1 FTIR spectrometer
13 9.2.2 Infrared liquid cell
9.3 Editing of the method
9.4 Background spectrum
9.5 Heavy water reference standard spectra
9.6 Draw the calibration curves for different D2O concentration ranges
14 10 Procedure
10.1 Sample preparation
10.1.1 Sample temperature adjustment
10.1.2 Sample filtration
10.1.3 Sample source check
10.2 Sample load and scan
10.3 After measurement
15 11 Expression of results
11.1 Calculation method
11.2 Precision
16 11.3 Uncertainty
12 Interferences
12.1 Contaminated samples
12.2 Air bubbles
17 12.3 Foreign materials on the outside of the cell window
13 Test report
18 Annex A (informative) Specially designed stainless steel container for D2O reference standard
20 Annex B (informative) Interested region suggested for typical curves
25 Bibliography

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BS ISO 23468:2021
$142.49