WLN-CM.W.11.1	Determination of the metal content in water by means of an inductively coupled plasma and mass-spectrometry	in accordance with NEN-EN-ISO 17294-2
Principle:	A plasma takes care of the ionisation and the atomization of the elements in a water sample. Extraction of the ions is done by means of a vacuum pump and a lens system. The identification of the separate elements is executed by means of a mass-selective detector (MS).
Determination:	Cecium
Performance characteristics:
Matrices qualified by the Dutch RvA:	Drinking water, Groundwater, Surface water
Reporting limit:	0.5 μg/l, matrix dependent
Measurement uncertainty:	15%
Sustainability:	30 days , if conserved with HNO3
Sampling bottle:	Plastic , white , 125 ml , conservation with HNO3 (fill up to the neck of the bottle)

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