Citric Acid in human urine

 

 

 

 

 

Method: LC-MS/MS

Matrix: Human Urine

Storage Temperature: -20 °C

LLOQ: 50.0 mcg/mL

ULOQ: 2000 mcg/mL

Sample Volume: 100 mcL

Precision & Accuracy:

  • LLOQ QC: 15.4% CV; 1.0% Bias
  • Low QC: 5.5% CV; 0.8% Bias
  • Mid QC: 4.7% CV; 1.6% Bias
  • High QC: 6.0% CV; -2.4% Bias
  • Above Range QC (5x Dilution): 6.4% CV; -3.7% Bias

Stability:

  • Short-Term (Bench-Top): 24 hours
  • Long-Term: 47 days at -20 °C
  • Freeze/Thaw Cycles: 4

Comments: Also validated lower curve (5.00 to 1000 mcg/mL)

Method Number: V2315U1