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BS EN ISO 18589-3:2024 – TC

BS EN ISO 18589-3:2024 – TC

$246.62

Tracked Changes. 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 105
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PDF Catalog

PDF Pages PDF Title
60 undefined
70 3.1 Terms and definitions
3.2 Symbols
72 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
73 5.2.3 Reference sources used with numerical methods
6.1 General description
6.2 Detector types
74 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
75 6.7.2 Analogue electronic
6.7.3 Digital electronic DSP
6.8 Computer, including peripherical devices and software
76 9.1 Packaging of samples for measuring purposes
77 9.2 Laboratory background level
9.3 Calibration
9.3.1 Energy calibration
78 9.3.2 Efficiency calibration
79 9.4 Correction required for the measurements of natural radionuclides
80 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)
81 10.1.3 Decay corrections
10.1.4 Self-absorption correction
82 10.1.5 True coincidence summing
83 10.2 Standard uncertainty
84 10.3 Decision threshold
10.4 Detection limit
85 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
86 10.6.2 Contribution from other radionuclides
87 10.6.3 Contribution from background

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BS EN ISO 18589-3:2024 - TC
$246.62