I want to use ICP MS for metal ion quantification from Serum samples. Please suggest which water can be used for dilution ?

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Sigurður V. Smárason

I agree with Aparna, 18Mohm grade water should be the cheapest and easiest to obtain. Just be aware that if you want to measure sodium or potassium you will need to make sure the water never touches glass as it will leach out those ions into the water.

Sandeep R. Kaushik

Thank you guys.