What would a small peak on a DB 624 GC column from directly injecting water as a blank be?

I am analyzing drugs for injection for residual solvents and use water as a blank. Injection volume is 0.5 ul with 10:1 split. Initial column temperature is 40oC with ramp up to 200oC at 4o/min....

23 July 2018 3,472 3 View