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 |