Replacing Bleach in Removal of DNA
Q. We need to remove all DNA from material, bleach destroys DNA, but we use a lot of it. Any Alconox-type cleaners that can completely remove/destroy DNA without the bleach step? Click to read the answer.
Using Alconox Detergents in Ultrasonic Machines
Q. Which Alconox brand cleaners can be used in an ultrasonic machine?
A. All Alconox brands can be used in ultrasonic machines. Alconox, Inc. generally recommends using high emulsifying detergents. For example . . .
Water Spots & Oil Removal: Pharma & Lab Glassware
Q. We see white water spots on cleaned and depyrogenated vials. Looks to be scale from the washer. Do you have a recommended cleaning agent for vial washing? Click to read the answer.
Ultrasonic Cleaning of Plastic Implants
Q. After machining plastic implants, what is the recommendation for an in process cleaning using a small ultrasonic tank?
A. The recommendation would be to use 1% Liquinox (a mild alkaline, emulsifying and dispersing cleaner) at a temperature well within the temperature tolerance of the plastic.
Clouding Out in Citric Acid Passivation
Q. We are performing Citrajet passivation using the procedure found in your cell phone app. When finished, there are circles of “oil” floating on the Citrajet solution, even though our parts had no oil on them. Is this normal? A: What you are seeing is not oil, but low-foaming surfactant coming out of solution…..
