Ethylene Oxide Flashcards by Jenica Robete

Q

What temp is ETO effective?

A

68F

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Q

What temp is ETO active?

A

98-145F

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Q

T or F
Items must be completely dry?

A

True

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Q

Spores need to be __________

A

hydrated

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Q

During prep what percentage must humidity be at?

A

greater than 35%

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Q

What is the killing process for ETO and what does it kill?

A

ETO kills all microbial spores by alkylation

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Q

T of F
ETO has limited material compatibility

A

False. ETO is compatible with most material

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Q

What are the 5 standard stages for ETO?

A

Conditioning (vacuum)
Humidification
Injection
Exhaust
Air purge

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Q

What are the 4 parameters for ETO?

A

Gas concentration ( 450-1200mg/l)
Temp (37-63C)
Humidity (40-80%)
Exposure time (1-6 hrs)

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Q

What is the aeration time for ETO?

A

8-12 hrs

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Q

Which packaging method allows for stacking?

A

Rigid containers (check IFU)

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