Chemical and Heat Sanitizers Flashcards
What temp must be reached for heat sanitation to be effective?
74 C (165F)
What does TPD regulate?
Therapeutic Product Directive
Regulates warehousing machine sanitizers but makes no kill cliams
What does PMRA regulate?
Pest Management Regulating Agency
Oversees drug ID number, registration, and oversees products that make kill claims
What are the 4 types of cleaning agents?
1) Detergents
2) Solvent/Alkaline Cleaners
3) Acid Cleaners
4) Abrasive Cleaner
What are detergents?
All detergents contain:
- surfectants (lift up soil)
- most are alkaline
What are mild alkaline detergents used for? Strong?
Mild: remove fresh soils from walls, floors ect.
Strong: remove baked on soils, cut through wax and grease
What are solvents/alkaline cleansers?
- degreasers
- alkaline cleaner + degreasing agent
- work on grills, backsplashes, oven tops
What are acid cleaners?
- only use acid cleaners when alkaline do not work
- used for scaling in dishwashers
- tarnish copper/brass
- use with caution
What are abrasive cleaners?
- contain scouring agents
- remove hard-to-remove soils
- may scratch plastics and stainless steel
What are the 3 most common chemical sanitizers?
1) Chlorine
2) Iodine/Iodophors
3) Quarternary Ammonium Compounds (Quats)
What chemical sanitizers are incompatible with other chemical and should not be mixed with other detergents? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
A) Chlorine
What chemical sanitizer may leave an odour on dishes, and damage rubber and metals? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
A) Chlorine
What chemical sanitizer is ineffective and dangerous above 49C (120F) ? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
A) Chlorine
Chlorine is not ____ and will lose strength quickly. Fresh solutions must be prepared frequently, and have a maximum storage life of ____
stable
24 hours
What chemical sanitizer should only be used in solutions with a pH of 5.0 or less? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
C) Iodine
What chemical sanitizers has an effective temperature range of 24 C to 34 C and vaporize and 49 C? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
C) Iodine
What chemical sanitizer is the most common, non-corrosive, non-staining and odourless? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
B) Quats
What chemical sanitizer only works with water wth a hardness of 500 mg/L or lower? A) Chlorine B) Quats C) Iodine D) Abrasive sanitizers
B) Quats
(T/F) All washed and sanitized items should be air dried only
T
In a single tank, stationary rack, single temp machines, the final sanitizing rinse must be exposed for at least 10 seconds at what temp?
74 C (165 F)
In all other machines, the final sanitizing rinse must be exposed for at least 10 seconds at what temp?
82 C (180F)
What water temp is required for chemical sanitizing machines?
13 C - 49 C
Temp depends on what chemical used
manual dishwashing equipment includes _______ away from food preparation areas
2-3 compartment sink
Manual dishwashing equipment should have a ___ capable of measuring 100 C, and testing equipment to determine the ___
thermometer
strength of sanitizing chemicals
The minimum concentration of chlorine sanitizers for immersion and spray cleaning is:
A) 12.5-25.0 mg/L for both
B) 100 mg/L and 200 mg/L
C) 200 mg/L for both
B) 100 mg/L and 200 mg/L
The minimum concentration of iodine sanitizers for immersion and spray cleaning is:
A) 12.5-25.0 mg/L for both
B) 100 mg/L and 200 mg/L
C) 200 mg/L for both
A) 12.5-25.0 mg/L for both
The minimum concentration of quat sanitizers for immersion and spray cleaning is:
A) 12.5-25.0 mg/L for both
B) 100 mg/L and 200 mg/L
C) 200 mg/L for both
C) 200 mg/L for both
The minimum temperature of chlorine sanitizers for machine and manual use is:
A) Machine (13-49 C) Manual (45-49C)
B) 24C, will vaporize at 49 C
C) 24 C
A) Machine (13-49C) Manual (45-59)
The minimum temperature of iodine sanitizers for machine and manual use is:
A) Machine (13-49 C) Manual (45-49C)
B) 24C, will vaporize at 49 C
C) 24 C
B) 24C, will vaporize at 49C
The minimum temperature of quat sanitizers for machine and manual use is:
A) Machine (13-49 C) Manual (45-49C)
B) 24C, will vaporize at 49 C
C) 24 C
C) 24C
Which sanitizer is most effective below pH 5?
Iodine
Which sanitizer is dangerous below pH 4?
Chlorine
Which sanitizer is most effective around 7?
Quat
(T/F) In response to organic contaminants in water, chlorine is quickly inactivated
T
(T/F) In response to organic contaminants in water, iodine is not inactivated
F
(T/F) In response to organic contaminants in water, quat is not easily affected
T
Which chemical sanitizer is corrosive?
A) iodine
B) chlorine
C) quat
B) Chlorine
Which chemical sanitizer is sensitive to hard water?
A) iodine
B) chlorine
C) quat
C) Quat
must be at a hardness of 500 mg/L or less
The presence of iodine is indicated by what colour?
Amber
In a three-compartment sink, the first sink should be in a ____ solution at a minimum temp of ___
detergent 45 C (113 F)
The second sink is for ____ in clear water at minimum temp of ___
rinsing 45 C (113 F)
name two ways the third sink can be used for sanitation
1) hot water at min temp of 77C for at least 2 mins
2) chemical sanitizing solution, min 2 mins
What temp is the range for chemical sanitizers to be effective?
13-49 C (55-120F)
At what temp quickly kills most microbes?
74 C (165 f)
