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Magnesium

Analyt: Magnesium
Matrix: Serum
Measuring Method: Magnetic sector field ICP-ID/MS
Standard: Magnesium Standard Solution NIST 3131a
Internal Standard: Isotopically enriched Mg-25
Sample Processing: Samples are spiked gravimetrically with internal standard and diluted approx. 100-fold with 4mM nitric acid.
Measurement: Measurement at m/z 23.985 and m/z 24.986 in medium resolution mode