The most common ” quat ” is benzalkonium chloride. It is commonly used in water dilution to create a highly effective sanitizing solution . The standard for ” quat ” mixing is 200 PPM. There are over 40 suppliers that provide ” quat ” sanitizing concentrates.
There are three acceptable types of sanitizer solutions for use in a food establishment. Chlorine (Bleach)* Concentration: 50 to 100 ppm . Chlorine based sanitizers are the most commonly used sanitizers. Quaternary Ammonia (QUAT, QAC) Concentration: Per manufacturer’s instruction. Iodine. Concentration: 12.5 to 25 ppm .
Soak and wipe: A common approach for disinfecting is to soak cloths in the quat solution for 10 minutes (or for many hours) before use . The biggest concern about this approach is that cotton cloths absorb quats. Quat binding is not visible to the naked eye.
Quat has excellent wide spectrum germ kill ability, film forming residual, low toxicity and corrosivity, simple to use, good shelf life, works in a variety of pH ranges, highly concentrated, no odor, and safe on mostly all surfaces.
Quats (quaternary ammonium compounds) are potent disinfectant chemicals commonly found in disinfectant wipes, sprays and other household cleaners that are designed to kill germs. It is often the stuff that allows a product to claim to be antibacterial, as they are certified by the EPA as pesticides.
Quats are excellent antimicrobial agents. By themselves, they are odorless, non-staining and non-corrosive to metals when used according to directions. They effectively kill bacteria, viruses, molds and fungi on hard, non-porous surfaces.
QUAT Based Sanitizers: Has a 10-second kill, meaning it must be in contact for 10 seconds in order to the kill the germs, but it is steady and consistent. It is forever stable and doesn’t lose its potency for killing germs over time no matter the frequency it’s being used at.
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Three primary chemical compounds are used as sanitizers in the food service industry: chlorine-based cleaners, quaternary ammonium and iodine sanitizers . Chlorine is the most commonly used chemical sanitizer agent, since it is highly effective and relatively inexpensive .
Equipment and surfaces must be thoroughly clean and free of soil for sanitizers to work properly. The major types of sanitizers are heat, radiation, and chemicals. Chemicals are more practical than heat and radiation for food production facilities.
Effectiveness, low cost and ease of manufacturing make hypochlorites the most widely used sanitizers. Sodium hypochlorite is the most common compound and is an ideal sanitizer, as it is a strong oxidizer.
Quad- Quat should be between 150- 400 parts per million (ppm). Change the sanitizer solution every 4 hours or as needed. If your sanitizer becomes soiled, is below the recommended ppm, or has visible debris, then it’s time to change it. Clean as you go and store wiping cloths in sanitizer pails when not in use!
Quaternary Ammonium : Advantages & Disadvantages Toxicity. One of the advantages of quaternary ammonium disinfectants is that they don’t damage clothing and carpets the way that bleach does. Organic Matter. When quaternary ammonium is mixed with organic matter it loses its effectiveness. Gram-Negative Organisms.