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.
More information about the method:
Ion chromatography (IC)- 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
- Method expert
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