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Metal Concentration Analysis with ICP-MS

Inductively coupled plasma mass spectrometry (ICP-MS) is a sensitive analytical technique used to identify and quantify the elemental composition of samples, including metals and select nonmetals with atomic masses from 7-250. Samples at nanoComposix are analyzed with a Thermo X-Series II ICP-MS equipped with Collision Cell Technology for advanced interference removal.

To measure total metal concentration, samples are digested in acid with the appropriate matrix suitable to stabilize a dissolved sample. For ionic samples, simple dilution and matrix matching is the only sample preparation required. For samples that are tougher to dissolve, we can use a CEM MARS 6 microwave-assisted reaction system (at additional cost) to ensure complete dissolution.

To measure the free ion concentration in a solution of nanoparticles, the nanoparticles are first separated from the suspension solution using a low-molecular weight centrifugal filter and the resulting supernatant is analyzed. Ionic content is particularly important for colloidal chemistry, especially in silver nanoparticles or nanoparticle reactions that do not go to completion and leave unreacted precursor behind.

Our ICP-MS service can detect and quantify most elements in the periodic table table. Many elements can be detected to levels as low as parts per trillion. The following list of routine analytes can be done with high confidence: Ag, Al, Au, Ca, Cd, Co, Cr, Cu, Fe, In, Ir, Li, Mg, Mn, Mo, Pd, Pt, Rh, Se, Ti, W, Y, Zn. Please specify which element(s) are of interest when placing an order. Pricing subject to change as elements of interest are added; you will be contacted regarding final pricing before the order is processed.


Service Level

Please note: total order value minimum for nanoComposix Services is $300. Inquire for more details.

Typically ships within 5 business days

Product number: ICP-MS

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