Failure of Cleaning Verification in Pharmaceutical Industry Due to Uncleanliness of Stainless Steel SurfaceImad A Haidar Ahmad 1, Andrei Blasko 1
1Analytical Research and Development, Novartis Pharmaceuticals Corporation
The lack of a well-defined procedure that consistently cleaned coupon surfaces was identified as the major contributor to low and variable recoveries in cleaning verification. This manuscript describes the correct protocol of cleaning stainless steel coupons.