Vanillylmandelic Acid, Homovanillic Acid, and 5-Hydroxyindoleacetic Acid in Human Urine (Quantitative Control Level 1) on Raptor™ Biphenyl
*These concentration ranges were supplied by the vendor (see notes).
|Column||Raptor™ Biphenyl (cat.# 9309512)|
|Dimensions:||100 mm x 2.1 mm ID|
|Particle Size:||5 µm|
|Pore Size:||90 Å|
|Guard Column:||Raptor™ Biphenyl guard column cartridge 5 mm, 2.1 mm ID, 5 µm (cat.# 930950252)|
|Inj. Vol.:||5 µL|
|A:||0.1% Formic acid, 5 mM ammonium formate in water|
|Notes||The human urine sample is the Bio-Rad Lyphochek® quantitative urine control, level 1. A 40 μL aliquot of urine was mixed with 360 μL of water and 10 μL of internal standard solution (33.3 μg/mL in methanol) in a Thomson 0.45 μm PVDF filter vial and injected for analysis after filtration.|
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