Control Methods Flashcards
Two ways chemical control methods kill microorganisms
Coagulation or oxidation
How can dry heat kill microorganisms
Oxidation
How can moist heat kill microorganisms
Coagulation and hydrolyze
Three environmental factors that can effect the death of microorganisms
- Temperature
- Time
- Organic material (puss, blood, tissue)
Dry heat removes the water from organisms making them….
Static
Three types of dry heat
- Drying
- Incineration (complete)
- Hot ovens (slow)
Static organisms have increased what?
Dispersal (float in air)
Hot oven temperature is _______ making them incompatible for gloves and fabrics
150-170
Boiling water (100C) at 14.7 PSI kills organisms but may not kill ________ and _________.
Also, it disinfects, but doesn’t ______________
Spores and Viruses
Disinfects but doesnt sterilize
Hot water at 60C sanitizes but does not __________
Sterilize