Ampicillin Stock Solution (1000×)
Prepare a 100 mg/mL ampicillin sodium salt (Sigma-Aldrich A9518) solution in H2O. Filter-sterilize and store for up to 3 mo at 4°C.
Prepare a 100 mg/mL ampicillin sodium salt (Sigma-Aldrich A9518) solution in H2O. Filter-sterilize and store for up to 3 mo at 4°C.