For tools without sharp edges, immersion should be in a solution containing 1,000 parts per million of which substance?

For tools without sharp edges, immersion should be in a solution containing 1,000 parts per million of which substance?

• A. Alcohol
• B. Quats
• C. Hydrogen peroxide
• D. Chlorine bleach

Answer: (B)

Quats (quaternary ammonium compounds) are the type of disinfectant typically used for immersing tools without sharp edges. A solution of about 1,000 parts per million provides a reliable level of disinfection for nonporous instruments while being gentler on metals and plastics than stronger chemical options. Alcohol is not suitable for immersion disinfection because it evaporates quickly and doesn’t leave lasting antimicrobial activity in the bath. Hydrogen peroxide and chlorine bleach can be more harsh on tools and may require different dilutions and handling, potentially causing corrosion or residue. So, the standard choice for this immersion scenario is a quat-based solution at roughly 1,000 ppm.

Quats (quaternary ammonium compounds) are the type of disinfectant typically used for immersing tools without sharp edges. A solution of about 1,000 parts per million provides a reliable level of disinfection for nonporous instruments while being gentler on metals and plastics than stronger chemical options. Alcohol is not suitable for immersion disinfection because it evaporates quickly and doesn’t leave lasting antimicrobial activity in the bath. Hydrogen peroxide and chlorine bleach can be more harsh on tools and may require different dilutions and handling, potentially causing corrosion or residue. So, the standard choice for this immersion scenario is a quat-based solution at roughly 1,000 ppm.