Glucose
| Analyt: | Glucose |
| Matrix: | Serum, Urine, CSF |
| Measuring Method: | GC-ID/MS |
| Standard: | D-Glucose NIST 917c |
| Internal Standard: | ¹³C₆-Glucose |
| Sample Processing: | Samples are spiked gravimetrically with internal standard and equilibrated, then treated with methanol to precipitate proteins. Derivatisation is with hydroxyl-ammonium chloride in pyridine and acetic anhydride with subsequent extraction into dichloromethane. |
| Measurement: | Measurement at m/z 314 and m/z 319 |