Wayne Member Allowing Ads Joined Jul 8, 2005 Messages 3,622 Location USA Format Large Format Dec 11, 2010 #1 I'm going to assume these 4 year old solutions are good, unless there is reason to believe otherwise. 2% phenidone in propylene glycol 2% benzotriazole in "" " 10% KBr in H2O
I'm going to assume these 4 year old solutions are good, unless there is reason to believe otherwise. 2% phenidone in propylene glycol 2% benzotriazole in "" " 10% KBr in H2O
jgjbowen Member Allowing Ads Joined Oct 13, 2003 Messages 879 Location Richmond, VA Format Large Format Dec 11, 2010 #2 No, they are all useless, please send them to me for proper disposal..... I can vouch that the KBr will be good. I can state that my 2% Benzotriazole in water is 20 years old and still works.
No, they are all useless, please send them to me for proper disposal..... I can vouch that the KBr will be good. I can state that my 2% Benzotriazole in water is 20 years old and still works.