HJ 899-2017 in English
VALIDWater quality - Determination of gross beta activity - Thick source method
- Issued on:2017-12-21
- Implemented on:2018-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$291.00
本标准规定了测定水中总β放射性的厚源法。
本标准适用于地表水、地下水、工业废水和生活污水中总β放射性的测定。
Scope
This standard specifies the thick source method for the determination of total b radioactivity in water. This standard applies to the determination of total b radioactivity in surface water, groundwater, industrial wastewater and domestic sewage. The lower detection limit of the method depends on the total mass of residues contained in the sample, the detection efficiency of the measuring instrument, the background count rate, measurement time, etc. Under typical conditions, the lower detection limit can reach 1.5×10−2 Bq/L. 2
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