The maximum load capacity that each Aurora Series column can withstand is outlined below:
Frontier 60x75: 1μg per hour of gradient
Ultimate 25x150: 3μg
Ultimate 25x75: 1μg
Elite 15x150: 2μg
Elite 15x75: 500ng
Rapid 8x150: 500ng
Rapid 8x75: 100ng
Rapid 5x150: 200ng
Rapid 5x75: 50ng
The optimal column load for your experiments depends on the specific MS instrument you are using. Please consult your MS guidelines to determine the ideal load for your experiments.