What are the 3 factors that must be considered when using chemicals to sanitize surfaces?

Author: Ethelyn Crona MD  |  Last update: Saturday, August 2, 2025

To get the most out of your sanitizers, keep three factors in mind: temperature, concentration, and time.
  • Use sanitizer at the right temperature. ...
  • Mix sanitizer at the correct concentration. ...
  • Give the sanitizer time.

What are the 3 factors that must be considered in using chemicals in sanitizing?

Several physical and chemical factors also influence disinfectant procedures: temperature, pH, relative humidity, and water hardness. For example, the activity of most disinfectants increases as the temperature increases, but some exceptions exist.

What 3 things need to be correct when using chemical sanitizer?

When using chemical sanitizers, it's essential to monitor and control factors such as concentration, contact time, temperature, pH levels, and the presence of organic matter to ensure effective and safe sanitization.

What are the three 3 sanitizing method?

Scrub: Use the first sink to scrub the dishes in soapy, warm water (minimum temperature of 110 degrees Fahrenheit required). Rinse: Use the second sink to rinse the dishes in clean, warm water (minimum temperature of 110 degrees Fahrenheit). Soak: Use the third sink to soak the dishes in a chemical sanitizing solution.

What are the three 3 factors affecting the performance of a chemical sanitiser?

Several factors influence the effectiveness of chemical sanitizers. The most critical include concentration, temperature, contact time, water hardness, and pH.

How to Disinfect Surfaces Properly... 🧼 🦠

What are the 3 common chemical sanitizers?

Chlorine, iodine, and quaternary ammonium (quats) are the three primary chemical sanitizers approved for use in foodservice.

What are the factors that must be considered in cleaning and sanitizing?

Factors Affecting Sanitizer Effectiveness
  • Surface Characteristics. Prior to the sanitization process, all surfaces must be clean and thoroughly rinsed to remove any detergent residue. ...
  • Exposure Time. ...
  • Temperature. ...
  • Concentration. ...
  • Soil. ...
  • pH. ...
  • Water properties. ...
  • Inactivators.

What are the three methods to sanitize a surface?

There are three methods of using heat to sanitize surfaces – steam, hot water, and hot air. Hot water is the most common method used in restaurants.

What is the 3 step disinfection process?

Three-Step Cleaning and Disinfecting Method

Step 1: CLEAN: Use soap, water and a clean cloth/brush. Scrubbing to clean. Step 2: Rinse: Use clean water and a clean cloth or place under running water. Step 3: Disinfect: Apply chemical following provided directions (strength and contact time) to the surface.

What are three methods of sanitation?

Sanitation involves many different aspects. Three types of sanitation include, wastewater disposal (dirty/used water), excreta removal (feces and urine), and water sanitation (drinking water treatment).

How do you properly sanitize?

To sanitize a surface or object, use a weaker bleach solution or an EPA-registered sanitizing product. For nonporous objects, such as certain toys and infant feeding items: Sanitize items by either boiling, steaming, or using a weaker bleach solution. Check with the item's manufacturer about which method to use.

Which of the following is important when using a chemical sanitizer?

There are 3 factors that influence the effectiveness of chemical sanitizers.
  • Concentration — not using enough sanitizing agent will result in an inadequate reduction of microorganisms. ...
  • Temperature — generally chemical sanitizers work best at temperatures between 55°F (13°C) and 120°F (49°C).

What is the most common way to sanitize with the use of chemical?

Chemical sanitizing is performed in two ways; by full immersion or rinsing, swabbing, or spraying. For bleach, objects can be immersed in the three compartment sink's sanitizer for 7 seconds or it can be wiped down with double the immersion concentration.

What are three 3 safety procedures when using chemicals?

Overview of Controls
  • Change process to minimize contact with hazardous chemicals.
  • Isolate or enclose the process.
  • Use of wet methods to reduce generation of dusts or other particulates.
  • General dilution ventilation.
  • Use fume hoods.

What 3 are surfaces that need to be cleaned and sanitized?

To prevent the spread of infection, you should regularly clean and disinfect surfaces and objects that are touched often. For example, in your house, this would include countertops, doorknobs, faucet and toilet handles, light switches, remotes, and toys.

Which three of the following need to be considered when using chemicals?

Answer: The most critical include concentration, temperature, contact time, water hardness, and pH. Concentration Sanitizer solution is a mix of chemical sanitizer and water. The concentration of this mix-the amount of sanitizer to water-is critical.

What are the 3 methods of disinfection?

There are multiple types of disinfectants, including but not limited to air disinfectants, alcohols, and oxidizing agents.

What is the 3 step sanitation system?

The 3-Step Sanitation System is an all-in-one fully-automated tissue/sanitary item dispenser, receptacle, and hand sanitizer developed specifically to provide a more hygienic, easy-to-use, solution for helping reduce the spread of germs and viruses.

What are the 3 levels of disinfection?

Disinfection
  • High-level (semicritical items; [except dental] will come in contact with mucous membrane or nonintact skin)
  • Intermediate-level (some semicritical items1 and noncritical items)
  • Low-level (noncritical items; will come in contact with intact skin)

What are the factors to be considered in chemical sanitizing?

Chemical sanitizer efficacy is influenced by several factors. The most important ones are pH, temperature, contact time, water hardness, and concentration. Frequently contacted surfaces and items should be cleaned and disinfected to stop the spread of infection.

What are the three types of sanitizing methods?

The major types of sanitizers are heat, radiation, and chemicals. Chemicals are more practical than heat and radiation for food production facilities.

What 5 steps must be followed to clean and sanitize surfaces effectively?

  • Scrape or remove food bits from the surface.
  • Wash the surface.
  • Rinse the surface.
  • Sanitize the surface.
  • Allow the surface to air dry.

What are the 3 basic things you'll need in cleaning?

You'll need the following items: A vacuum with a hose attachment (to get into those hard-to-reach corners). A bucket with an attachment to ring your mop. Rags and/or chamois mop.

What are the three approved chemical sanitizers?

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.

What are the factors affecting chemical disinfection?

Other Factors Affecting Disinfectant Efficacy
  • Concentration of Active Ingredients. ...
  • Contact Time. ...
  • Temperature. ...
  • Organic Load. ...
  • Water Hardness. ...
  • Formulation Additives. ...
  • Selecting the Right Disinfectant. ...
  • Optimizing Disinfection Protocols.

Previous article
How rare is purple sea glass?
Next article
Can a fan cause flu?