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Frequently Asked Questions - Control sample vs CRM
I daily use some costume made solutions from IV, both as stock solutions and also special ones for matrix-matched calibrations.
We have different sample types from research campaigns at our site, and for a new project I need a control solution as an extra calibration control.
Is it possible to order both a stock solution (for my calibration standards) with the actual elements at the same (?) concentration levels - and also a costume made solution with accurate individual concentration of the elements which might be used as a quality solution for my verification of a method, as an CRM, or would you recommend anything else?
My supplier here in Norway have tried to understand what I was asking for, and the IV- samples Matriks-199 and Matriks-200 are based on this. But I am not sure if that is what I want.
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Ashley Jones
Total posts: 1
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Hello! If I understand correctly, you are seeking one solution where all elements are at the same concentration (example: Ca, K, and Na all at 1000ppm) and one solution where the elements are at concentations specific to each element (example: Ca at 100ppm K at 500ppm and Na at 1000ppm). Is this correct? If so, yes that is something we can create for you.
Just send a breakdown of the solutions you need (include elements with desired concentrations, and desired matrix if applicable) to [email protected] and we will be happy to get to work on a solution that will work for your needs! |