BS EN ISO 22125-2:2019 PDF

Scope: What is this ISO 22125 ‑ 2 - ICP-MS for 99Tc in water about? ISO 22125 ‑ 2 is the second part of the ISO 22125 series on water quality. ISO 22125 ‑ 2 specifies a method for the measurement of Technetium-99 (99Tc) in all types of water by inductively coupled plasma mass spectrometry (ICP-MS). ISO 22125 ‑ 2 provides a method that is applicable to test samples of supply/drinking water, rainwater, surface, and groundwater, as well as cooling water, industrial water, domestic, and industrial wastewater after proper sampling and handling and test sample preparation. Filtration of the test sample is necessary. The detection limit depends on the sample volume and the instrument used. The method described in ISO 22125 ‑ 2 , using currently available ICP-MS, has a detection limit of approximately 0,2 ng·kg−1 to 0,5 ng·kg−1 (0,1 Bq·kg−1 to 0,3 Bq·kg−1), which is much lower than the WHO criteria for safe consumption of drinking water (100 Bq·l−1). Note: The method presented in

BS EN ISO 22125-2:2019 history

2019 BS EN ISO 22125-2:2019 Water quality. Technetium-99 - Test method using inductively coupled plasma mass spectrometry (ICP-MS)