ISO 13161:2011

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Water quality — Measurement of polonium 210 activity concentration in water by alpha spectrometry

Published By	Publication Date	Number of Pages
ISO	2011-10	22

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Categories: 13.060.60 - Examination of physical properties of water, 17.240 - Radiation measurements, ISO

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Description

ISO 13161:2011 specifies the measurement of ²¹⁰Po activity concentration by alpha spectrometry in all kinds of natural waters.

The detection limit of this method depends on the volume of the sample, the counting time, the background count rate and the detection efficiency. In the case of drinking water, the analysis is usually carried out on the raw sample, without filtration or other pretreatment.

If suspended material has to be removed or analysed, filtration at 0,45 µm is recommended. The analysis of the insoluble fraction requires a mineralization step that is not covered by ISO 13161:2011. In this case, the measurement is made on the different phases obtained. The final activity is the sum of all the measured activity concentrations.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2011-10
Pages Count	22
Language	English
Edition	1
File Size	399.4 KB
ICS Codes	13.060.60 - Examination of physical properties of water 17.240 - Radiation measurements

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ISO 13161:2011

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