ISO 18589-4:2019 环境中辐射的测量 土壤 第4部分：钚238和钚239 + 240 -使用阿尔法光谱的测试方法

标准编号：ISO 18589-4:2019

中文名称：环境中辐射的测量 土壤 第4部分：钚238和钚239 + 240 -使用阿尔法光谱的测试方法

英文名称：Measurement of radioactivity in the environment — Soil — Part 4: Plutonium 238 and plutonium 239 + 240 — Test method using alpha spectrometry

发布日期：2019-12

标准范围

This document describes a method for measuring ²³⁸Pu and 239 + 240 isotopes in soil by alpha spectrometry samples using chemical separation techniques.
The method can be used for any type of environmental study or monitoring. These techniques can also be used for measurements of very low levels of activity, one or two orders of magnitude less than the level of natural alpha-emitting radionuclides.
The test methods described in this document can also be used to measure the radionuclides in sludge, sediment, construction material and products following proper sampling procedure .
The mass of the test portion required depends on the assumed activity of the sample and the desired detection limit. In practice, it can range from 0,1 g to 100 g of the test sample.

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