NIST Traceable Solutions
Contents and Concentrations

Gradient Visualization (GVS)	1.0 mg/ml Uracil
Linearity L1 Solution	0.00035 mg/ml Caffeine
Linearity L2 Solution	0.00035 mg/ml Caffeine
Linearity L3 Solution	0.069 mg/ml Caffeine Uracil is present as a pump flow stability marker.
Linearity L4 Solution	0.175 mg/ml Caffeine
Linearity L5 Solution	0.262 mg/ml Caffeine
Linearity L6 Solution	0.349 mg/ml Caffeine
HSQ RT Mixture	Uracil, Theobromine, Theophylline, Caffeine, 8-Chloro-Theophylline
Wavelength Calibration (WCS)	4% Holmium Oxide in 10% Perchloric Acid

Caffeine is dissolved in 10:90 1% Acetic Acid Solution:Acetonitrile