Uric Acid

Analyt: Uric Acid
Matrix: Serum, Urine
Measuring Method: GC-ID/MS
Standard: Uric Acid NIST 913b
Internal Standard: ¹⁵N₂-Uric Acid
Sample Processing: Samples are spiked gravimetrically with internal standard and equilibrated, then ultrafiltered. Derivatisation is with Silyl 991 in pyridine.
Measurement: Measurement at m/z 456 and m/z 458