Sodium
| Analyt: | Sodium |
| Matrix: | Serum, Urine |
| Measuring Method: | Magnetic sector field ICP-MS |
| Standard: | NaCl NIST 919b |
| Internal Standard: | Aluminium |
| Sample Processing: | Samples are spiked gravimetrically with internal standard and diluted approx. 10000-fold with 4mM nitric acid. |
| Measurement: | Measurement at m/z 22.990 and m/z 26.982 in medium resolution mode |