
Water quality. Gross beta activity. Test method using thick source
出版:British Standards Institution

专家解读视频
This document specifies a test method for the determination of gross beta activity concentration in non-saline waters.
EN ISO 9697:2019 - Identical
ISO 9697:2018 - Identical
EN ISO 9697:2019 - Identical
ISO 9697:2018 - Identical