Hello,
in our lab we use F-AAS for determination of Mg in urine and Li, Zn in serum. Except Zinc QC 2 everything works fine. Is it possible there is problem with zinc controls? I am waiting for new lot of QC 2. If it wont work (but QC 1 will be okay) I suggest I should make come changes in method propably? Or do you have anyone experiences with similar problem?
Thank you!
Chaipat Lapinee
urine or biological samples contain lots of matrix that can interfere the anlysis. To decrease the matrix problem maybe you can use sample preaparation method or acid digestion or solvent extraction. For instrumental analyis maybe blank or background of solution should similar with sample. And instrument check, light sounce (Hollowcathode lamp)
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