How to verify brushes are clean?
Q: We were recently audited and we were asked: how do you prove that the brushes you are using are not cross-contaminating the equipment surface with residues?
A: How do you prove brushes are clean, or for that matter, any cleaning device is itself clean, is an excellent question. This can apply to any reusable instrument, cloths, tube brushes, sponges, etc.
Lab Glassware Cleaning: Liquid or Powder Detergent in Washer?
We have purchased one of your liquid low foaming detergents (the dishwasher dealer recommended liquid detergent) and have been using it straight out of the bottle into our dishwasher cup. Do we dilute the detergent before putting in the dishwasher dosing cup? Is liquid or powder better? Read on….
Extra Foam Please?
Q: Since foaming is so critical to COP methods, should operators be agitating the solution(s) to produce foam before and during manual cleanings?
A: Mechanical energy, agitation, and plain old elbow grease, are vital weapons in cleaning and Clean-Out-Of-Place applications. So we would recommend that wherever possible, mechanical energy be applied to remove unwanted residues from the surface we are trying to clean. This will
Exposure of Tergazyme to Elevated Temperature During Storage
Q: I am contacting you to ask for more info regarding the stability of Tergazyme as we encountered a temperature deviation during shipment. The exposure temperature was 47C for about 3 hours.
A: Dry powdered Tergazyme® Enzyme-Active Powdered Detergent will be fine with a 3-hour excursion to….
Art and Other Sensitive Glass Cleaning
Q: I am trying to clean a glass hookah with Detonox detergent as you have recommended. Is there anything I should know? I’ve heard sometimes it can etch?
A: Thank you for checking, and the answer is yes. Any glass-liquid-air mixture is susceptible to forming an etch at the meniscus
