A) Fill tray with warm (80 F) distilled water.
B) Lay sleeve and negatives in tray. Allow to soak an hour.
C) Place tray in sink
D) Attach rinse hose to sink spigot and turn on. You want a mild stream flowing from the hose.
E) Aim hose end at each "row" of sleeve, water flow will open sleeve and flush across negative.
F) Use hand to gently extract negative
G) Place negative in tray of distilled water at room temp. Rinse 5 mins.
H) Treat with photoflo and hang to dry.

Coke has Phosphoric Acid in it, which may attack the emulsion surface. This removal technique doesn't address that problem.