Which type of germicide requires activation with bicarbonate?
a. 5% acetic acid c. 3% hydrogen per-oxide
b. 2% alkaline glutar-aldehyde d. 10% sodium hypo-chlorite
ANS: B
Only alkaline glutaraldehyde requires activation with a bicarbonate solution. This yields a solu-tion with a pH of 7.5 to 8.5.
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