What is t use of activator provided along with glutaraldehyde solution?
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The antimicrobial activity of glutaraldehyde is greatly enhanced in alkaline solutions (pH 7.5 to 8.5), although high pH hastens its polymerization and therefore limits its shelf life. To overcome this problem, glutaraldehyde is supplied as an acidic colorless solution that is activated at the time of use by adding an “activator” that converts it to a green (Cidex, Abcocide) or blue (Omnicide) alkaline solution with a sharp odour.
Acid glutaraldehydes also are available and do not require activation, but they lack the microbiocidal activity of alkaline preparations.
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