0.55% ortho-phthaldehyde:
a. Has an immersion time of 12 minutes at 20% and 5 minutes at 25%.
b. Cannot be disposed of down the drain.
c. Must be used in an automated reprocessing protocol.
d. Will not irritate eyes, nose or skin.

Question

0.55% ortho-phthaldehyde: 
a. Has an immersion time of 12 minutes at 20% and 5 minutes at 25%. 
b. Cannot be disposed of down the drain. 
c. Must be used in an automated reprocessing protocol. 
d. Will not irritate eyes, nose or skin.

GinnyAnswer · Answer

Ortho-phthaldehyde at 0.55% has specific immersion times for effective disinfection and cannot be disposed of down the drain due to safety regulations. It is best used in automated reprocessing protocols and can cause irritation, necessitating protective measures. Understanding these aspects is crucial for safe and effective utilization of OPA in laboratory practices. ;

Answered by GinnyAnswer | 2025-07-08

0.55% ortho-phthaldehyde: a. Has an immersion time of 12 minutes at 20% and 5 minutes at 25%. b. Cannot be disposed of down the drain. c. Must be used in an automated reprocessing protocol. d. Will not irritate eyes, nose or skin.

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0.55% ortho-phthaldehyde:
a. Has an immersion time of 12 minutes at 20% and 5 minutes at 25%.
b. Cannot be disposed of down the drain.
c. Must be used in an automated reprocessing protocol.
d. Will not irritate eyes, nose or skin.