Now it's time to move into the darkroom (or, if you're in the field, the dark tent).
While the plate is still wet, dip it into a solution that contains silver nitrate. The silver nitrate binds with the iodide and bromide to make a silver halide coating, which is sensitive to light.
Wipe the silver nitrate solution off the back of the plate with a clean cloth.
Step 2: Dip in Silver Nitrate