Metal Concentration Analysis with ICP-MS
Nanoparticles have a high surface to volume ratio and can release ions into solution. For elements such as silver, the ion concentration can have a considerable impact on the toxicity of the nanoparticle solution.
To measure the free ion concentration, the nanoparticles are first separated from the suspension solution using a low MW centrifugal filter and then the solution is analyzed with a Thermo X-Series II Inductively Coupled Plasma Mass Spectrometer (ICP-MS).
For more information on ion analysis please visit our Knowledge Base.
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