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BS EN ISO 18589-3:2024

BS EN ISO 18589-3:2024

$189.07

Measurement of radioactivity in the environment. Soil – Test method of gamma-emitting radionuclides using gamma-ray spectrometry

Published By Publication Date Number of Pages
BSI 2024 46
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PDF Catalog

PDF Pages PDF Title
2 undefined
12 3.1 Terms and definitions
3.2 Symbols
14 5.1 Source(s) for energy calibration
5.2 Reference source(s) for efficiency calibration
5.2.1 General
5.2.2 Reference sources for laboratory gamma spectrometry systems
15 5.2.3 Reference sources used with numerical methods
6.1 General description
6.2 Detector types
16 6.3 High voltage power supply
6.4 Preamplifier
6.5 Cryostat or electric cooler
6.6 Shielding
6.7 Analogue or digital acquisition electronics
6.7.1 General
17 6.7.2 Analogue electronic
6.7.3 Digital electronic DSP
6.8 Computer, including peripherical devices and software
18 9.1 Packaging of samples for measuring purposes
19 9.2 Laboratory background level
9.3 Calibration
9.3.1 Energy calibration
20 9.3.2 Efficiency calibration
21 9.4 Correction required for the measurements of natural radionuclides
22 9.5 Quality control
10.1 Calculation of the activity per unit of mass
10.1.1 General
10.1.2 Dead time and pile up corrections (see ISO 20042)
23 10.1.3 Decay corrections
10.1.4 Self-absorption correction
24 10.1.5 True coincidence summing
25 10.2 Standard uncertainty
26 10.3 Decision threshold
10.4 Detection limit
27 10.5 Limits of the coverage intervals
10.5.1 Limits of the probabilistically symmetric coverage interval
10.5.2 The shortest coverage interval
10.6 Corrections for contributions from other radionuclides and background
10.6.1 General
28 10.6.2 Contribution from other radionuclides
29 10.6.3 Contribution from background

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BS EN ISO 18589-3:2024
$189.07