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
Required sample quantity
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
Available quality systems
Accredited testing laboratory
Device types

Pricing and online order

Price per sample (Excl. VAT):
295 €

We also charge a 97 € service fee per order.

Large batches of samples are eligible for discounts.

Samples are entered during checkout.

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