Cations in ultrapure water

Method to determine the cation content in ultrapure water samples using ion chromatography (IC). The analysis includes the determination of ammonium (NH4+), calcium (Ca2+), lithium (Li+), magnesium (Mg2+), potassium (K+), and sodium (Na+).

The sample must be collected in a container designed for ultrapure waters. Measurlabs can provide the required sample vessels.

Suitable sample matrices
Ultrapure water
Minimum sample amount
250 mL HDPE bottle
Typical turnaround time
2 weeks after receiving the samples
Detection limit
Quantification limits are the followings: NH4: 0.015 ppb, Ca: 0.015 ppb, Li 0.005 ppb, Mg 0.015 ppb, K: 0.020 ppb, Na: 0.010 ppb
Quality system
Accredited testing laboratory
Device types
Method expert
Anssi Rajala

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First sample (VAT 0):
372 €
Additional samples (VAT 0):
254 €per sample
If you have a large number of samples, contact us for a possible discount.

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